| Year |
Month |
1000 Pounds |
| 2007 |
December |
4.49 |
|
November |
4.82 |
|
October |
2.51 |
|
September |
2.92 |
|
August |
1.09 |
|
July |
0.88 |
|
June |
0.71 |
|
May |
1.93 |
|
April |
4.73 |
|
March |
5.00 |
|
February |
5.75 |
| 2007 |
January |
1.16 |
| 2006 |
December |
4.29 |
|
November |
4.02 |
|
October |
1.90 |
|
September |
3.14 |
|
August |
0.73 |
|
July |
0.90 |
|
June |
0.15 |
|
May |
2.15 |
|
April |
5.74 |
|
March |
3.92 |
|
February |
1.30 |
| 2006 |
January |
6.20 |
| 2005 |
December |
4.96 |
|
November |
6.55 |
|
October |
2.80 |
|
September |
0.56 |
|
August |
0.32 |
|
July |
0.69 |
|
June |
0.57 |
|
May |
1.47 |
|
April |
4.54 |
|
March |
3.48 |
|
February |
4.45 |
| 2005 |
January |
4.16 |
| 2004 |
December |
7.52 |
|
November |
11.75 |
|
October |
4.94 |
|
September |
4.52 |
|
August |
0.80 |
|
July |
1.95 |
|
June |
1.16 |
|
May |
1.45 |
|
April |
10.68 |
|
March |
9.34 |
|
February |
5.84 |
| 2004 |
January |
4.82 |
| 2003 |
December |
5.15 |
|
November |
3.90 |
|
October |
5.06 |
|
September |
0.21 |
|
August |
0.24 |
|
July |
1.06 |
|
June |
0.66 |
|
May |
0.94 |
|
April |
3.94 |
|
March |
7.53 |
|
February |
4.41 |
| 2003 |
January |
3.49 |
| 2002 |
December |
2.83 |
|
November |
14.14 |
|
October |
5.16 |
|
September |
2.21 |
|
August |
1.63 |
|
July |
0.40 |
|
June |
0.41 |
|
May |
1.08 |
|
April |
5.62 |
|
March |
7.31 |
|
February |
8.27 |
| 2002 |
January |
4.62 |
| 2001 |
December |
6.23 |
|
November |
13.22 |
|
October |
2.78 |
|
September |
5.63 |
|
August |
0.23 |
|
July |
0.48 |
|
June |
0.89 |
|
May |
1.28 |
|
April |
4.11 |
|
March |
11.38 |
|
February |
2.17 |
| 2001 |
January |
3.78 |
| 2000 |
December |
9.55 |
|
November |
12.96 |
|
October |
2.98 |
|
September |
2.02 |
|
August |
0.54 |
|
July |
1.29 |
|
June |
0.35 |
|
May |
0.61 |
|
April |
2.10 |
|
March |
2.10 |
|
February |
4.94 |
| 2000 |
January |
5.23 |
| 1999 |
December |
3.89 |
|
November |
12.71 |
|
October |
5.13 |
|
September |
6.56 |
|
August |
2.37 |
|
July |
1.95 |
|
June |
0.45 |
|
May |
1.01 |
|
April |
2.84 |
|
March |
2.08 |
|
February |
1.85 |
| 1999 |
January |
0.91 |
| 1998 |
December |
4.17 |
|
November |
7.41 |
|
October |
2.29 |
|
September |
2.65 |
|
August |
1.83 |
|
July |
1.23 |
|
June |
1.50 |
|
May |
2.01 |
|
April |
8.42 |
|
March |
25.02 |
|
February |
5.76 |
| 1998 |
January |
5.10 |
| 1997 |
December |
13.35 |
|
November |
7.09 |
|
October |
2.39 |
|
September |
2.08 |
|
August |
0.79 |
|
July |
0.75 |
|
June |
0.34 |
|
May |
1.59 |
|
April |
2.11 |
|
March |
3.76 |
|
February |
2.75 |
| 1997 |
January |
7.99 |
| 1996 |
December |
5.84 |
|
November |
10.28 |
|
October |
4.84 |
|
September |
1.56 |
|
August |
5.28 |
|
July |
1.31 |
|
June |
0.80 |
|
May |
0.52 |
|
April |
2.10 |
|
March |
4.88 |
|
February |
2.58 |
| 1996 |
January |
6.11 |
| 1995 |
December |
6.17 |
|
November |
5.61 |
|
October |
4.28 |
|
September |
1.96 |
|
August |
1.39 |
|
July |
1.47 |
|
June |
1.08 |
|
May |
4.85 |
|
April |
5.73 |
|
March |
7.82 |
|
February |
7.62 |
| 1995 |
January |
5.48 |
| 1994 |
December |
7.90 |
|
November |
18.66 |
|
October |
5.45 |
|
September |
2.64 |
|
August |
5.59 |
|
July |
1.99 |
|
June |
2.05 |
|
May |
3.50 |
|
April |
7.16 |
|
March |
6.56 |
|
February |
8.05 |
| 1994 |
January |
2.76 |
| 1993 |
December |
4.70 |
|
November |
11.41 |
|
October |
2.34 |
|
September |
1.86 |
|
August |
1.69 |
|
July |
0.45 |
|
June |
0.38 |
|
May |
0.91 |
|
April |
6.10 |
|
March |
10.23 |
|
February |
4.25 |
| 1993 |
January |
3.17 |
| 1992 |
December |
2.42 |
|
November |
9.78 |
|
October |
5.52 |
|
September |
2.20 |
|
August |
2.09 |
|
July |
1.67 |
|
June |
0.76 |
|
May |
2.92 |
|
April |
16.57 |
|
March |
6.83 |
|
February |
7.51 |
| 1992 |
January |
5.64 |
| 1991 |
December |
4.93 |
|
November |
6.72 |
|
October |
2.46 |
|
September |
2.53 |
|
August |
2.37 |
|
July |
0.81 |
|
June |
0.97 |
|
May |
1.85 |
|
April |
4.08 |
|
March |
6.89 |
|
February |
2.73 |
| 1991 |
January |
1.94 |
| 1990 |
December |
3.05 |
|
November |
11.10 |
|
October |
3.69 |
|
September |
2.00 |
|
August |
1.63 |
|
July |
0.91 |
|
June |
0.86 |
|
May |
2.95 |
|
April |
5.18 |
|
March |
8.66 |
|
February |
3.80 |
| 1990 |
January |
3.39 |
| 1989 |
December |
10.24 |
|
November |
15.79 |
|
October |
4.17 |
|
September |
1.47 |
|
August |
2.63 |
|
July |
1.18 |
|
June |
1.26 |
|
May |
1.64 |
|
April |
2.12 |
|
March |
7.45 |
|
February |
6.24 |
| 1989 |
January |
1.40 |
| 1988 |
December |
7.48 |
|
November |
9.27 |
|
October |
5.96 |
|
September |
3.86 |
|
August |
4.22 |
|
July |
2.65 |
|
June |
1.78 |
|
May |
1.69 |
|
April |
6.40 |
|
March |
2.48 |
|
February |
3.24 |
| 1988 |
January |
2.05 |
| 1987 |
December |
2.36 |
|
November |
9.40 |
|
October |
4.64 |
|
September |
0.78 |
|
August |
1.38 |
|
July |
1.18 |
|
June |
1.48 |
|
May |
2.95 |
|
April |
9.65 |
|
March |
12.17 |
|
February |
6.95 |
| 1987 |
January |
3.98 |
| 1986 |
December |
4.68 |
|
November |
4.54 |
|
October |
0.74 |
|
September |
1.40 |
|
August |
0.58 |
|
July |
0.95 |
|
June |
1.22 |
|
May |
2.57 |
|
April |
2.30 |
|
March |
6.62 |
|
February |
13.27 |
| 1986 |
January |
4.50 |
| 1985 |
December |
9.61 |
|
November |
15.43 |
|
October |
3.82 |
|
September |
8.98 |
|
August |
6.92 |
|
July |
2.32 |
|
June |
1.47 |
|
May |
3.48 |
|
April |
6.92 |
|
March |
4.47 |
|
February |
4.02 |
| 1985 |
January |
4.73 |
| 1984 |
December |
10.13 |
|
November |
8.44 |
|
October |
2.42 |
|
September |
4.10 |
|
August |
1.28 |
|
July |
1.53 |
|
June |
1.56 |
|
May |
1.85 |
|
April |
2.69 |
|
March |
3.43 |
|
February |
3.50 |
| 1984 |
January |
4.60 |
| 1983 |
December |
6.57 |
|
November |
6.93 |
|
October |
3.39 |
|
September |
4.52 |
|
August |
3.82 |
|
July |
1.90 |
|
June |
1.63 |
|
May |
3.30 |
|
April |
7.68 |
|
March |
8.01 |
|
February |
3.98 |
| 1983 |
January |
3.46 |
| 1982 |
December |
1.51 |
|
November |
3.23 |
|
October |
2.14 |
|
September |
1.28 |
|
August |
0.59 |
|
July |
0.44 |
|
June |
0.94 |
|
May |
0.52 |
|
April |
0.28 |
|
March |
1.40 |
|
February |
1.20 |
| 1982 |
January |
3.48 |
| 1981 |
December |
2.82 |
|
November |
9.01 |
|
October |
1.95 |
|
September |
1.57 |
|
August |
1.90 |
|
July |
0.92 |
|
June |
0.84 |
|
May |
1.25 |
|
April |
1.77 |
|
March |
5.20 |
|
February |
3.67 |
| 1981 |
January |
3.24 |
| 1980 |
December |
3.84 |
|
November |
2.13 |
|
October |
0.85 |
|
September |
1.64 |
|
August |
0.53 |
|
July |
0.37 |
|
June |
0.25 |
|
May |
0.47 |
|
April |
0.49 |
|
March |
1.09 |
|
February |
1.69 |
| 1980 |
January |
0.83 |
|