Month | Data | Change | Unit |
---|---|---|---|
January, 1980 | 0.603 | 0 | USD/lb |
February, 1980 | 0.492 | -0.111 | USD/lb |
March, 1980 | 0.481 | -0.011 | USD/lb |
April, 1980 | 0.504 | + 0.023 | USD/lb |
May, 1980 | 0.485 | -0.019 | USD/lb |
June, 1980 | 0.532 | + 0.047 | USD/lb |
July, 1980 | 0.615 | + 0.083 | USD/lb |
August, 1980 | 0.827 | + 0.212 | USD/lb |
September, 1980 | 0.864 | + 0.037 | USD/lb |
October, 1980 | 0.854 | -0.01 | USD/lb |
November, 1980 | 0.8 | -0.054 | USD/lb |
December, 1980 | 0.71 | -0.09 | USD/lb |
January, 1981 | 0.59 | -0.12 | USD/lb |
February, 1981 | 0.543 | -0.047 | USD/lb |
March, 1981 | 0.492 | -0.051 | USD/lb |
April, 1981 | 0.548 | + 0.056 | USD/lb |
May, 1981 | 0.596 | + 0.048 | USD/lb |
June, 1981 | 0.626 | + 0.03 | USD/lb |
July, 1981 | 0.686 | + 0.06 | USD/lb |
August, 1981 | 0.844 | + 0.158 | USD/lb |
September, 1981 | 0.855 | + 0.011 | USD/lb |
October, 1981 | 0.84 | -0.015 | USD/lb |
November, 1981 | 0.715 | -0.125 | USD/lb |
December, 1981 | 0.686 | -0.029 | USD/lb |
January, 1982 | 0.647 | -0.039 | USD/lb |
February, 1982 | 0.638 | -0.009 | USD/lb |
March, 1982 | 0.525 | -0.113 | USD/lb |
April, 1982 | 0.644 | + 0.119 | USD/lb |
May, 1982 | 0.731 | + 0.087 | USD/lb |
June, 1982 | 0.788 | + 0.057 | USD/lb |
July, 1982 | 0.897 | + 0.109 | USD/lb |
August, 1982 | 0.956 | + 0.059 | USD/lb |
September, 1982 | 0.9 | -0.056 | USD/lb |
October, 1982 | 0.876 | -0.024 | USD/lb |
November, 1982 | 0.932 | + 0.056 | USD/lb |
December, 1982 | 0.956 | + 0.024 | USD/lb |
January, 1983 | 0.737 | -0.219 | USD/lb |
February, 1983 | 0.64 | -0.097 | USD/lb |
March, 1983 | 0.629 | -0.011 | USD/lb |
April, 1983 | 0.656 | + 0.027 | USD/lb |
May, 1983 | 0.629 | -0.027 | USD/lb |
June, 1983 | 0.643 | + 0.014 | USD/lb |
July, 1983 | 0.809 | + 0.166 | USD/lb |
August, 1983 | 0.853 | + 0.044 | USD/lb |
September, 1983 | 1.026 | + 0.173 | USD/lb |
October, 1983 | 0.991 | -0.035 | USD/lb |
November, 1983 | 0.84 | -0.151 | USD/lb |
December, 1983 | 0.846 | + 0.006 | USD/lb |
January, 1984 | 0.692 | -0.154 | USD/lb |
February, 1984 | 0.605 | -0.087 | USD/lb |
March, 1984 | 0.61 | + 0.005 | USD/lb |
April, 1984 | 0.691 | + 0.081 | USD/lb |
May, 1984 | 0.789 | + 0.098 | USD/lb |
June, 1984 | 0.878 | + 0.089 | USD/lb |
July, 1984 | 0.935 | + 0.057 | USD/lb |
August, 1984 | 0.915 | -0.02 | USD/lb |
September, 1984 | 0.937 | + 0.022 | USD/lb |
October, 1984 | 0.935 | -0.002 | USD/lb |
November, 1984 | 0.808 | -0.127 | USD/lb |
December, 1984 | 0.679 | -0.129 | USD/lb |
January, 1985 | 0.712 | + 0.033 | USD/lb |
February, 1985 | 0.742 | + 0.03 | USD/lb |
March, 1985 | 0.734 | -0.008 | USD/lb |
April, 1985 | 0.693 | -0.041 | USD/lb |
May, 1985 | 0.839 | + 0.146 | USD/lb |
June, 1985 | 0.96 | + 0.121 | USD/lb |
July, 1985 | 0.971 | + 0.011 | USD/lb |
August, 1985 | 1.162 | + 0.191 | USD/lb |
September, 1985 | 1.512 | + 0.35 | USD/lb |
October, 1985 | 1.443 | -0.069 | USD/lb |
November, 1985 | 1.141 | -0.302 | USD/lb |
December, 1985 | 0.947 | -0.194 | USD/lb |
January, 1986 | 0.882 | -0.065 | USD/lb |
February, 1986 | 0.739 | -0.143 | USD/lb |
March, 1986 | 0.652 | -0.087 | USD/lb |
April, 1986 | 0.736 | + 0.084 | USD/lb |
May, 1986 | 0.725 | -0.011 | USD/lb |
June, 1986 | 0.804 | + 0.079 | USD/lb |
July, 1986 | 0.872 | + 0.068 | USD/lb |
August, 1986 | 0.882 | + 0.01 | USD/lb |
September, 1986 | 0.855 | -0.027 | USD/lb |
October, 1986 | 0.806 | -0.049 | USD/lb |
November, 1986 | 0.787 | -0.019 | USD/lb |
December, 1986 | 0.743 | -0.044 | USD/lb |
January, 1987 | 0.74 | -0.003 | USD/lb |
February, 1987 | 0.747 | + 0.007 | USD/lb |
March, 1987 | 0.777 | + 0.03 | USD/lb |
April, 1987 | 0.84 | + 0.063 | USD/lb |
May, 1987 | 0.903 | + 0.063 | USD/lb |
June, 1987 | 0.998 | + 0.095 | USD/lb |
July, 1987 | 1.125 | + 0.127 | USD/lb |
August, 1987 | 1.107 | -0.018 | USD/lb |
September, 1987 | 1.167 | + 0.06 | USD/lb |
October, 1987 | 1.153 | -0.014 | USD/lb |
November, 1987 | 1.115 | -0.038 | USD/lb |
December, 1987 | 1.011 | -0.104 | USD/lb |
January, 1988 | 0.842 | -0.169 | USD/lb |
February, 1988 | 0.683 | -0.159 | USD/lb |
March, 1988 | 0.771 | + 0.088 | USD/lb |
April, 1988 | 0.821 | + 0.05 | USD/lb |
May, 1988 | 0.886 | + 0.065 | USD/lb |
June, 1988 | 0.872 | -0.014 | USD/lb |
July, 1988 | 1.123 | + 0.251 | USD/lb |
August, 1988 | 1.114 | -0.0089999999999999 | USD/lb |
September, 1988 | 1.011 | -0.103 | USD/lb |
October, 1988 | 0.952 | -0.059 | USD/lb |
November, 1988 | 0.891 | -0.061 | USD/lb |
December, 1988 | 0.871 | -0.02 | USD/lb |
January, 1989 | 0.884 | + 0.013 | USD/lb |
February, 1989 | 0.844 | -0.04 | USD/lb |
March, 1989 | 0.908 | + 0.064 | USD/lb |
April, 1989 | 0.898 | -0.01 | USD/lb |
May, 1989 | 0.907 | + 0.009 | USD/lb |
June, 1989 | 1.087 | + 0.18 | USD/lb |
July, 1989 | 1.046 | -0.041 | USD/lb |
August, 1989 | 1.072 | + 0.026 | USD/lb |
September, 1989 | 1.155 | + 0.083 | USD/lb |
October, 1989 | 1.154 | -0.0010000000000001 | USD/lb |
November, 1989 | 0.991 | -0.163 | USD/lb |
December, 1989 | 0.875 | -0.116 | USD/lb |
January, 1990 | 0.855 | -0.02 | USD/lb |
February, 1990 | 0.85 | -0.005 | USD/lb |
March, 1990 | 0.973 | + 0.123 | USD/lb |
April, 1990 | 1.136 | + 0.163 | USD/lb |
May, 1990 | 1.097 | -0.039 | USD/lb |
June, 1990 | 1.163 | + 0.066 | USD/lb |
July, 1990 | 1.277 | + 0.114 | USD/lb |
August, 1990 | 1.218 | -0.059 | USD/lb |
September, 1990 | 1.177 | -0.041 | USD/lb |
October, 1990 | 1.195 | + 0.018 | USD/lb |
November, 1990 | 1.086 | -0.109 | USD/lb |
December, 1990 | 0.972 | -0.114 | USD/lb |
January, 1991 | 1.159 | + 0.187 | USD/lb |
February, 1991 | 1.102 | -0.057 | USD/lb |
March, 1991 | 1.057 | -0.045 | USD/lb |
April, 1991 | 1.163 | + 0.106 | USD/lb |
May, 1991 | 1.215 | + 0.052 | USD/lb |
June, 1991 | 1.234 | + 0.019 | USD/lb |
July, 1991 | 1.285 | + 0.051 | USD/lb |
August, 1991 | 1.342 | + 0.057 | USD/lb |
September, 1991 | 1.352 | + 0.01 | USD/lb |
October, 1991 | 1.379 | + 0.027 | USD/lb |
November, 1991 | 1.305 | -0.074 | USD/lb |
December, 1991 | 1.307 | + 0.002 | USD/lb |
January, 1992 | 1.018 | -0.289 | USD/lb |
February, 1992 | 0.988 | -0.03 | USD/lb |
March, 1992 | 0.971 | -0.017 | USD/lb |
April, 1992 | 0.902 | -0.069 | USD/lb |
May, 1992 | 1.001 | + 0.099 | USD/lb |
June, 1992 | 0.948 | -0.053 | USD/lb |
July, 1992 | 0.983 | + 0.035 | USD/lb |
August, 1992 | 0.932 | -0.051 | USD/lb |
September, 1992 | 1.07 | + 0.138 | USD/lb |
October, 1992 | 1.125 | + 0.055 | USD/lb |
November, 1992 | 1.089 | -0.036 | USD/lb |
December, 1992 | 0.902 | -0.187 | USD/lb |
January, 1993 | 0.966 | + 0.064 | USD/lb |
February, 1993 | 0.812 | -0.154 | USD/lb |
March, 1993 | 0.851 | + 0.039 | USD/lb |
April, 1993 | 0.805 | -0.046 | USD/lb |
May, 1993 | 0.9 | + 0.095 | USD/lb |
June, 1993 | 0.954 | + 0.054 | USD/lb |
July, 1993 | 1.159 | + 0.205 | USD/lb |
August, 1993 | 1.237 | + 0.078 | USD/lb |
September, 1993 | 1.343 | + 0.106 | USD/lb |
October, 1993 | 1.387 | + 0.044 | USD/lb |
November, 1993 | 0.998 | -0.389 | USD/lb |
December, 1993 | 0.927 | -0.071 | USD/lb |
January, 1994 | 0.895 | -0.032 | USD/lb |
February, 1994 | 0.744 | -0.151 | USD/lb |
March, 1994 | 0.669 | -0.075 | USD/lb |
April, 1994 | 0.794 | + 0.125 | USD/lb |
May, 1994 | 0.788 | -0.006 | USD/lb |
June, 1994 | 0.893 | + 0.105 | USD/lb |
July, 1994 | 1.298 | + 0.405 | USD/lb |
August, 1994 | 1.467 | + 0.169 | USD/lb |
September, 1994 | 1.596 | + 0.129 | USD/lb |
October, 1994 | 1.438 | -0.158 | USD/lb |
November, 1994 | 1.193 | -0.245 | USD/lb |
December, 1994 | 1.002 | -0.191 | USD/lb |
January, 1995 | 0.906 | -0.096 | USD/lb |
February, 1995 | 0.868 | -0.038 | USD/lb |
March, 1995 | 0.801 | -0.067 | USD/lb |
April, 1995 | 0.873 | + 0.072 | USD/lb |
May, 1995 | 0.879 | + 0.006 | USD/lb |
June, 1995 | 0.947 | + 0.068 | USD/lb |
July, 1995 | 1.344 | + 0.397 | USD/lb |
August, 1995 | 1.398 | + 0.054 | USD/lb |
September, 1995 | 1.456 | + 0.058 | USD/lb |
October, 1995 | 1.402 | -0.054 | USD/lb |
November, 1995 | 1.15 | -0.252 | USD/lb |
December, 1995 | 1.062 | -0.088 | USD/lb |
January, 1996 | 0.981 | -0.081 | USD/lb |
February, 1996 | 0.775 | -0.206 | USD/lb |
March, 1996 | 0.764 | -0.011 | USD/lb |
April, 1996 | 0.817 | + 0.053 | USD/lb |
May, 1996 | 0.875 | + 0.058 | USD/lb |
June, 1996 | 1.078 | + 0.203 | USD/lb |
July, 1996 | 1.17 | + 0.092 | USD/lb |
August, 1996 | 1.322 | + 0.152 | USD/lb |
September, 1996 | 1.296 | -0.026 | USD/lb |
October, 1996 | 1.229 | -0.067 | USD/lb |
November, 1996 | 1.137 | -0.092 | USD/lb |
December, 1996 | 1.118 | -0.019 | USD/lb |
January, 1997 | 1.075 | -0.043 | USD/lb |
February, 1997 | 1.083 | + 0.008 | USD/lb |
March, 1997 | 0.978 | -0.105 | USD/lb |
April, 1997 | 0.892 | -0.086 | USD/lb |
May, 1997 | 0.955 | + 0.063 | USD/lb |
June, 1997 | 1.316 | + 0.361 | USD/lb |
July, 1997 | 1.621 | + 0.305 | USD/lb |
August, 1997 | 1.836 | + 0.215 | USD/lb |
September, 1997 | 1.846 | + 0.01 | USD/lb |
October, 1997 | 1.61 | -0.236 | USD/lb |
November, 1997 | 1.076 | -0.534 | USD/lb |
December, 1997 | 1.004 | -0.072 | USD/lb |
January, 1998 | 1.075 | + 0.071 | USD/lb |
February, 1998 | 0.997 | -0.078 | USD/lb |
March, 1998 | 0.962 | -0.035 | USD/lb |
April, 1998 | 0.935 | -0.027 | USD/lb |
May, 1998 | 1.014 | + 0.079 | USD/lb |
June, 1998 | 0.985 | -0.029 | USD/lb |
July, 1998 | 1.106 | + 0.121 | USD/lb |
August, 1998 | 1.329 | + 0.223 | USD/lb |
September, 1998 | 1.46 | + 0.131 | USD/lb |
October, 1998 | 1.548 | + 0.088 | USD/lb |
November, 1998 | 1.567 | + 0.019 | USD/lb |
December, 1998 | 1.477 | -0.09 | USD/lb |
January, 1999 | 1.574 | + 0.097 | USD/lb |
February, 1999 | 1.4 | -0.174 | USD/lb |
March, 1999 | 1.352 | -0.048 | USD/lb |
April, 1999 | 1.378 | + 0.026 | USD/lb |
May, 1999 | 1.195 | -0.183 | USD/lb |
June, 1999 | 1.209 | + 0.014 | USD/lb |
July, 1999 | 1.325 | + 0.116 | USD/lb |
August, 1999 | 1.429 | + 0.104 | USD/lb |
September, 1999 | 1.527 | + 0.098 | USD/lb |
October, 1999 | 1.686 | + 0.159 | USD/lb |
November, 1999 | 1.698 | + 0.012 | USD/lb |
December, 1999 | 1.641 | -0.057 | USD/lb |
January, 2000 | 1.602 | -0.039 | USD/lb |
February, 2000 | 1.591 | -0.011 | USD/lb |
March, 2000 | 1.454 | -0.137 | USD/lb |
April, 2000 | 1.515 | + 0.061 | USD/lb |
May, 2000 | 1.34 | -0.175 | USD/lb |
June, 2000 | 1.274 | -0.066 | USD/lb |
July, 2000 | 1.292 | + 0.018 | USD/lb |
August, 2000 | 1.385 | + 0.093 | USD/lb |
September, 2000 | 1.52 | + 0.135 | USD/lb |
October, 2000 | 1.484 | -0.036 | USD/lb |
November, 2000 | 1.252 | -0.232 | USD/lb |
December, 2000 | 1.169 | -0.083 | USD/lb |
January, 2001 | 1.13 | -0.039 | USD/lb |
February, 2001 | 1.241 | + 0.111 | USD/lb |
March, 2001 | 1.217 | -0.024 | USD/lb |
April, 2001 | 1.316 | + 0.099 | USD/lb |
May, 2001 | 1.274 | -0.042 | USD/lb |
June, 2001 | 1.393 | + 0.119 | USD/lb |
July, 2001 | 1.492 | + 0.099 | USD/lb |
August, 2001 | 1.53 | + 0.038 | USD/lb |
September, 2001 | 1.709 | + 0.179 | USD/lb |
October, 2001 | 1.88 | + 0.171 | USD/lb |
November, 2001 | 1.686 | -0.194 | USD/lb |
December, 2001 | 1.739 | + 0.053 | USD/lb |
January, 2002 | 1.602 | -0.137 | USD/lb |
February, 2002 | 1.512 | -0.09 | USD/lb |
March, 2002 | 1.279 | -0.233 | USD/lb |
April, 2002 | 1.322 | + 0.043 | USD/lb |
May, 2002 | 1.462 | + 0.14 | USD/lb |
June, 2002 | 1.578 | + 0.116 | USD/lb |
July, 2002 | 1.433 | -0.145 | USD/lb |
August, 2002 | 1.6 | + 0.167 | USD/lb |
September, 2002 | 1.834 | + 0.234 | USD/lb |
October, 2002 | 1.927 | + 0.093 | USD/lb |
November, 2002 | 1.816 | -0.111 | USD/lb |
December, 2002 | 1.596 | -0.22 | USD/lb |
January, 2003 | 1.645 | + 0.049 | USD/lb |
February, 2003 | 1.254 | -0.391 | USD/lb |
March, 2003 | 1.189 | -0.065 | USD/lb |
April, 2003 | 1.239 | + 0.05 | USD/lb |
May, 2003 | 1.308 | + 0.069 | USD/lb |
June, 2003 | 1.396 | + 0.088 | USD/lb |
July, 2003 | 1.499 | + 0.103 | USD/lb |
August, 2003 | 1.442 | -0.057 | USD/lb |
September, 2003 | 1.473 | + 0.031 | USD/lb |
October, 2003 | 1.455 | -0.018 | USD/lb |
November, 2003 | 1.427 | -0.028 | USD/lb |
December, 2003 | 1.368 | -0.059 | USD/lb |
January, 2004 | 1.249 | -0.119 | USD/lb |
February, 2004 | 1.207 | -0.042 | USD/lb |
March, 2004 | 1.174 | -0.033 | USD/lb |
April, 2004 | 1.137 | -0.037 | USD/lb |
May, 2004 | 1.216 | + 0.079 | USD/lb |
June, 2004 | 1.182 | -0.034 | USD/lb |
July, 2004 | 1.225 | + 0.043 | USD/lb |
August, 2004 | 1.4 | + 0.175 | USD/lb |
September, 2004 | 1.547 | + 0.147 | USD/lb |
October, 2004 | 1.344 | -0.203 | USD/lb |
November, 2004 | 1.471 | + 0.127 | USD/lb |
December, 2004 | 1.461 | -0.01 | USD/lb |
January, 2005 | 1.218 | -0.243 | USD/lb |
February, 2005 | 1.409 | + 0.191 | USD/lb |
March, 2005 | 1.451 | + 0.042 | USD/lb |
April, 2005 | 1.434 | -0.017 | USD/lb |
May, 2005 | 1.32 | -0.114 | USD/lb |
June, 2005 | 1.348 | + 0.028 | USD/lb |
July, 2005 | 1.362 | + 0.014 | USD/lb |
August, 2005 | 1.418 | + 0.056 | USD/lb |
September, 2005 | 1.421 | + 0.0030000000000001 | USD/lb |
October, 2005 | 1.436 | + 0.015 | USD/lb |
November, 2005 | 1.465 | + 0.029 | USD/lb |
December, 2005 | 1.439 | -0.026 | USD/lb |
January, 2006 | 1.364 | -0.075 | USD/lb |
February, 2006 | 1.377 | + 0.013 | USD/lb |
March, 2006 | 1.359 | -0.018 | USD/lb |
April, 2006 | 1.284 | -0.075 | USD/lb |
May, 2006 | 1.317 | + 0.033 | USD/lb |
June, 2006 | 1.213 | -0.104 | USD/lb |
July, 2006 | 1.292 | + 0.079 | USD/lb |
August, 2006 | 1.409 | + 0.117 | USD/lb |
September, 2006 | 1.549 | + 0.14 | USD/lb |
October, 2006 | 1.587 | + 0.038 | USD/lb |
November, 2006 | 1.572 | -0.015 | USD/lb |
December, 2006 | 1.522 | -0.05 | USD/lb |
January, 2007 | 1.718 | + 0.196 | USD/lb |
February, 2007 | 1.796 | + 0.078 | USD/lb |
March, 2007 | 1.636 | -0.16 | USD/lb |
April, 2007 | 1.692 | + 0.056 | USD/lb |
May, 2007 | 1.811 | + 0.119 | USD/lb |
June, 2007 | 1.854 | + 0.043 | USD/lb |
July, 2007 | 1.766 | -0.088 | USD/lb |
August, 2007 | 1.708 | -0.058 | USD/lb |
September, 2007 | 1.827 | + 0.119 | USD/lb |
October, 2007 | 2.009 | + 0.182 | USD/lb |
November, 2007 | 2.006 | -0.0030000000000001 | USD/lb |
December, 2007 | 1.947 | -0.059 | USD/lb |
January, 2008 | 2.059 | + 0.112 | USD/lb |
February, 2008 | 1.879 | -0.18 | USD/lb |
March, 2008 | 1.715 | -0.164 | USD/lb |
April, 2008 | 1.828 | + 0.113 | USD/lb |
May, 2008 | 1.858 | + 0.03 | USD/lb |
June, 2008 | 1.995 | + 0.137 | USD/lb |
July, 2008 | 2.102 | + 0.107 | USD/lb |
August, 2008 | 2.211 | + 0.109 | USD/lb |
September, 2008 | 2.066 | -0.145 | USD/lb |
October, 2008 | 2.023 | -0.043 | USD/lb |
November, 2008 | 1.789 | -0.234 | USD/lb |
December, 2008 | 1.632 | -0.157 | USD/lb |
January, 2009 | 1.499 | -0.133 | USD/lb |
February, 2009 | 1.354 | -0.145 | USD/lb |
March, 2009 | 1.211 | -0.143 | USD/lb |
April, 2009 | 1.366 | + 0.155 | USD/lb |
May, 2009 | 1.379 | + 0.013 | USD/lb |
June, 2009 | 1.443 | + 0.064 | USD/lb |
July, 2009 | 1.544 | + 0.101 | USD/lb |
August, 2009 | 1.547 | + 0.0029999999999999 | USD/lb |
September, 2009 | 1.646 | + 0.099 | USD/lb |
October, 2009 | 1.606 | -0.04 | USD/lb |
November, 2009 | 1.641 | + 0.035 | USD/lb |
December, 2009 | 1.703 | + 0.062 | USD/lb |
January, 2010 | 1.651 | -0.052 | USD/lb |
February, 2010 | 1.624 | -0.027 | USD/lb |
March, 2010 | 1.593 | -0.031 | USD/lb |
April, 2010 | 1.517 | -0.076 | USD/lb |
May, 2010 | 1.467 | -0.05 | USD/lb |
June, 2010 | 1.506 | + 0.039 | USD/lb |
July, 2010 | 1.617 | + 0.111 | USD/lb |
August, 2010 | 1.64 | + 0.023 | USD/lb |
September, 2010 | 1.815 | + 0.175 | USD/lb |
October, 2010 | 1.725 | -0.09 | USD/lb |
November, 2010 | 1.723 | -0.002 | USD/lb |
December, 2010 | 1.717 | -0.006 | USD/lb |
January, 2011 | 1.777 | + 0.06 | USD/lb |
February, 2011 | 1.908 | + 0.131 | USD/lb |
March, 2011 | 1.783 | -0.125 | USD/lb |
April, 2011 | 1.488 | -0.295 | USD/lb |
May, 2011 | 1.397 | -0.091 | USD/lb |
June, 2011 | 1.323 | -0.074 | USD/lb |
July, 2011 | 1.563 | + 0.24 | USD/lb |
August, 2011 | 1.643 | + 0.08 | USD/lb |
September, 2011 | 1.795 | + 0.152 | USD/lb |
October, 2011 | 1.648 | -0.147 | USD/lb |
November, 2011 | 1.454 | -0.194 | USD/lb |
December, 2011 | 1.407 | -0.047 | USD/lb |
January, 2012 | 1.177 | -0.23 | USD/lb |
February, 2012 | 1.296 | + 0.119 | USD/lb |
March, 2012 | 1.268 | -0.028 | USD/lb |
April, 2012 | 1.336 | + 0.068 | USD/lb |
May, 2012 | 1.447 | + 0.111 | USD/lb |
June, 2012 | 1.478 | + 0.031 | USD/lb |
July, 2012 | 1.449 | -0.029 | USD/lb |
August, 2012 | 1.579 | + 0.13 | USD/lb |
September, 2012 | 1.49 | -0.089 | USD/lb |
October, 2012 | 1.486 | -0.004 | USD/lb |
November, 2012 | 1.398 | -0.088 | USD/lb |
December, 2012 | 1.385 | -0.013 | USD/lb |
January, 2013 | 1.363 | -0.022 | USD/lb |
February, 2013 | 1.093 | -0.27 | USD/lb |
March, 2013 | 1.078 | -0.015 | USD/lb |
April, 2013 | 1.049 | -0.029 | USD/lb |
May, 2013 | 1.346 | + 0.297 | USD/lb |
June, 2013 | 1.301 | -0.045 | USD/lb |
July, 2013 | 1.347 | + 0.046 | USD/lb |
August, 2013 | 1.499 | + 0.152 | USD/lb |
September, 2013 | 1.581 | + 0.082 | USD/lb |
November, 2013 | 1.706 | + 0.125 | USD/lb |
December, 2013 | 1.567 | -0.139 | USD/lb |
January, 2014 | 1.724 | + 0.157 | USD/lb |
February, 2014 | 1.581 | -0.143 | USD/lb |
March, 2014 | 1.803 | + 0.222 | USD/lb |
April, 2014 | 1.879 | + 0.076 | USD/lb |
May, 2014 | 2.13 | + 0.251 | USD/lb |
June, 2014 | 2.048 | -0.082 | USD/lb |
July, 2014 | 2.164 | + 0.116 | USD/lb |
August, 2014 | 2.36 | + 0.196 | USD/lb |
September, 2014 | 2.484 | + 0.124 | USD/lb |
October, 2014 | 2.495 | + 0.011 | USD/lb |
November, 2014 | 2.252 | -0.243 | USD/lb |
December, 2014 | 2.094 | -0.158 | USD/lb |
January, 2015 | 1.983 | -0.111 | USD/lb |
February, 2015 | 1.956 | -0.027 | USD/lb |
March, 2015 | 1.539 | -0.417 | USD/lb |
April, 2015 | 1.627 | + 0.088 | USD/lb |
May, 2015 | 1.753 | + 0.126 | USD/lb |
June, 2015 | 1.919 | + 0.166 | USD/lb |
July, 2015 | 2.152 | + 0.233 | USD/lb |
August, 2015 | 2.106 | -0.046 | USD/lb |
September, 2015 | 2.149 | + 0.043 | USD/lb |
October, 2015 | 2.264 | + 0.115 | USD/lb |
November, 2015 | 2.065 | -0.199 | USD/lb |
December, 2015 | 1.926 | -0.139 | USD/lb |
January, 2016 | 1.836 | -0.09 | USD/lb |
February, 2016 | 1.766 | -0.07 | USD/lb |
March, 2016 | 1.83 | + 0.064 | USD/lb |
April, 2016 | 1.962 | + 0.132 | USD/lb |
May, 2016 | 2.014 | + 0.052 | USD/lb |
June, 2016 | 2.167 | + 0.153 | USD/lb |
July, 2016 | 2.182 | + 0.015 | USD/lb |
August, 2016 | 2.297 | + 0.115 | USD/lb |
September, 2016 | 2.275 | -0.022 | USD/lb |
October, 2016 | 2.083 | -0.192 | USD/lb |
November, 2016 | 1.977 | -0.106 | USD/lb |
December, 2016 | 1.973 | -0.004 | USD/lb |
January, 2017 | 1.916 | -0.057 | USD/lb |
February, 2017 | 1.946 | + 0.03 | USD/lb |
March, 2017 | 1.852 | -0.094 | USD/lb |
April, 2017 | 1.9 | + 0.048 | USD/lb |
May, 2017 | 1.899 | -0.00099999999999989 | USD/lb |
June, 2017 | 1.899 | 0 | USD/lb |
July, 2017 | 1.988 | + 0.089 | USD/lb |
August, 2017 | 2.079 | + 0.091 | USD/lb |
September, 2017 | 2.088 | + 0.0089999999999999 | USD/lb |
October, 2017 | 2.009 | -0.079 | USD/lb |
November, 2017 | 1.912 | -0.097 | USD/lb |
December, 2017 | 1.846 | -0.066 | USD/lb |
January, 2018 | 2.005 | + 0.159 | USD/lb |
February, 2018 | 2.048 | + 0.043 | USD/lb |
March, 2018 | 2.054 | + 0.0059999999999998 | USD/lb |
April, 2018 | 2.04 | -0.014 | USD/lb |
May, 2018 | 2.021 | -0.019 | USD/lb |
June, 2018 | 2.231 | + 0.21 | USD/lb |
July, 2018 | 2.249 | + 0.018 | USD/lb |
August, 2018 | 2.663 | + 0.414 | USD/lb |
September, 2018 | 2.832 | + 0.169 | USD/lb |
October, 2018 | 2.824 | -0.008 | USD/lb |
November, 2018 | 2.695 | -0.129 | USD/lb |
December, 2018 | 2.639 | -0.056 | USD/lb |
January, 2019 | 2.548 | -0.091 | USD/lb |
February, 2019 | 2.463 | -0.085 | USD/lb |
March, 2019 | 2.395 | -0.068 | USD/lb |
April, 2019 | 2.356 | -0.039 | USD/lb |
May, 2019 | 2.224 | -0.132 | USD/lb |
June, 2019 | 2.07 | -0.154 | USD/lb |
July, 2019 | 2.066 | -0.004 | USD/lb |
August, 2019 | 2.02 | -0.046 | USD/lb |
September, 2019 | 2.032 | + 0.012 | USD/lb |
October, 2019 | 2.079 | + 0.047 | USD/lb |
November, 2019 | 2.003 | -0.076 | USD/lb |
December, 2019 | 2 | -0.0030000000000001 | USD/lb |
January, 2020 | 1.966 | -0.034 | USD/lb |
February, 2020 | 1.974 | + 0.008 | USD/lb |
March, 2020 | 1.901 | -0.073 | USD/lb |
June, 2020 | 1.929 | + 0.028 | USD/lb |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
2020 | 1.966 - 1.929 | 1.901 - 1.974 | 1.94 | -0.04 |
2019 | 2.548 - 2 | 2 - 2.548 | 2.19 | -0.55 |
2018 | 2.005 - 2.639 | 2.005 - 2.832 | 2.36 | + 0.63 |
2017 | 1.916 - 1.846 | 1.846 - 2.088 | 1.94 | -0.07 |
2016 | 1.836 - 1.973 | 1.766 - 2.297 | 2.03 | + 0.14 |
2015 | 1.983 - 1.926 | 1.539 - 2.264 | 1.95 | -0.06 |
2014 | 1.724 - 2.094 | 1.581 - 2.495 | 2.08 | + 0.37 |
2013 | 1.363 - 1.567 | 1.049 - 1.706 | 1.36 | + 0.2 |
2012 | 1.177 - 1.385 | 1.177 - 1.579 | 1.4 | + 0.21 |
2011 | 1.777 - 1.407 | 1.323 - 1.908 | 1.6 | -0.37 |
2010 | 1.651 - 1.717 | 1.467 - 1.815 | 1.63 | + 0.07 |
2009 | 1.499 - 1.703 | 1.211 - 1.703 | 1.49 | + 0.2 |
2008 | 2.059 - 1.632 | 1.632 - 2.211 | 1.93 | -0.43 |
2007 | 1.718 - 1.947 | 1.636 - 2.009 | 1.81 | + 0.23 |
2006 | 1.364 - 1.522 | 1.213 - 1.587 | 1.4 | + 0.16 |
2005 | 1.218 - 1.439 | 1.218 - 1.465 | 1.39 | + 0.22 |
2004 | 1.249 - 1.461 | 1.137 - 1.547 | 1.3 | + 0.21 |
2003 | 1.645 - 1.368 | 1.189 - 1.645 | 1.39 | -0.28 |
2002 | 1.602 - 1.596 | 1.279 - 1.927 | 1.58 | -0.01 |
2001 | 1.13 - 1.739 | 1.13 - 1.88 | 1.47 | + 0.61 |
2000 | 1.602 - 1.169 | 1.169 - 1.602 | 1.41 | -0.43 |
1999 | 1.574 - 1.641 | 1.195 - 1.698 | 1.45 | + 0.07 |
1998 | 1.075 - 1.477 | 0.935 - 1.567 | 1.2 | + 0.4 |
1997 | 1.075 - 1.004 | 0.892 - 1.846 | 1.27 | -0.07 |
1996 | 0.981 - 1.118 | 0.764 - 1.322 | 1.05 | + 0.14 |
1995 | 0.906 - 1.062 | 0.801 - 1.456 | 1.09 | + 0.16 |
1994 | 0.895 - 1.002 | 0.669 - 1.596 | 1.06 | + 0.11 |
1993 | 0.966 - 0.927 | 0.805 - 1.387 | 1.03 | -0.04 |
1992 | 1.018 - 0.902 | 0.902 - 1.125 | 0.99 | -0.12 |
1991 | 1.159 - 1.307 | 1.057 - 1.379 | 1.24 | + 0.15 |
1990 | 0.855 - 0.972 | 0.85 - 1.277 | 1.08 | + 0.12 |
1989 | 0.884 - 0.875 | 0.844 - 1.155 | 0.99 | -0.01 |
1988 | 0.842 - 0.871 | 0.683 - 1.123 | 0.9 | + 0.03 |
1987 | 0.74 - 1.011 | 0.74 - 1.167 | 0.97 | + 0.27 |
1986 | 0.882 - 0.743 | 0.652 - 0.882 | 0.79 | -0.14 |
1985 | 0.712 - 0.947 | 0.693 - 1.512 | 0.99 | + 0.24 |
1984 | 0.692 - 0.679 | 0.605 - 0.937 | 0.79 | -0.01 |
1983 | 0.737 - 0.846 | 0.629 - 1.026 | 0.77 | + 0.11 |
1982 | 0.647 - 0.956 | 0.525 - 0.956 | 0.79 | + 0.31 |
1981 | 0.59 - 0.686 | 0.492 - 0.855 | 0.67 | + 0.1 |
1980 | 0.603 - 0.71 | 0.481 - 0.864 | 0.65 | + 0.11 |