| Year |
Month |
Pounds (x1000) |
| 2008 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
3.36 |
|
April |
8.19 |
|
March |
10.87 |
|
February |
12.65 |
| 2008 |
January |
7.52 |
| 2007 |
December |
7.65 |
|
November |
7.54 |
|
October |
5.33 |
|
September |
2.28 |
|
August |
3.36 |
|
July |
3.04 |
|
June |
3.21 |
|
May |
2.80 |
|
April |
3.77 |
|
March |
5.30 |
|
February |
10.82 |
| 2007 |
January |
8.79 |
| 2006 |
December |
2.14 |
|
November |
1.62 |
|
October |
1.93 |
|
September |
1.07 |
|
August |
2.54 |
|
July |
3.50 |
|
June |
2.77 |
|
May |
2.04 |
|
April |
2.07 |
|
March |
1.78 |
|
February |
1.88 |
| 2006 |
January |
1.76 |
| 2005 |
December |
1.76 |
|
November |
0.31 |
|
October |
0.82 |
|
September |
0.41 |
|
August |
0.65 |
|
July |
0.03 |
|
June |
0.24 |
|
May |
0.13 |
|
April |
0.07 |
|
March |
0.11 |
|
February |
1.02 |
| 2005 |
January |
0.15 |
| 2004 |
December |
0.79 |
|
November |
0.00 |
|
October |
0.27 |
|
September |
0.00 |
|
August |
0.42 |
|
July |
0.26 |
|
June |
0.00 |
|
May |
0.51 |
|
April |
0.00 |
|
March |
0.85 |
|
February |
0.21 |
| 2004 |
January |
0.00 |
| 2003 |
December |
0.00 |
|
November |
0.74 |
|
October |
0.17 |
|
September |
0.59 |
|
August |
0.10 |
|
July |
0.29 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.13 |
|
March |
0.25 |
|
February |
2.95 |
| 2003 |
January |
5.19 |
| 2002 |
December |
0.29 |
|
November |
5.76 |
|
October |
0.10 |
|
September |
0.04 |
|
August |
0.21 |
|
July |
0.55 |
|
June |
0.10 |
|
May |
0.51 |
|
April |
0.54 |
|
March |
8.16 |
|
February |
7.81 |
| 2002 |
January |
20.25 |
| 2001 |
December |
1.37 |
|
November |
0.83 |
|
October |
1.45 |
|
September |
0.90 |
|
August |
0.95 |
|
July |
4.23 |
|
June |
1.58 |
|
May |
1.91 |
|
April |
2.18 |
|
March |
0.64 |
|
February |
0.16 |
| 2001 |
January |
0.18 |
| 2000 |
December |
0.41 |
|
November |
0.51 |
|
October |
1.96 |
|
September |
8.36 |
|
August |
2.39 |
|
July |
3.43 |
|
June |
1.03 |
|
May |
6.08 |
|
April |
3.07 |
|
March |
3.69 |
|
February |
4.17 |
| 2000 |
January |
5.77 |
| 1999 |
December |
2.55 |
|
November |
4.79 |
|
October |
1.58 |
|
September |
3.94 |
|
August |
6.82 |
|
July |
3.26 |
|
June |
2.81 |
|
May |
0.66 |
|
April |
1.07 |
|
March |
1.69 |
|
February |
1.97 |
| 1999 |
January |
1.42 |
| 1998 |
December |
3.67 |
|
November |
1.68 |
|
October |
4.52 |
|
September |
3.71 |
|
August |
5.90 |
|
July |
4.38 |
|
June |
0.69 |
|
May |
0.73 |
|
April |
1.31 |
|
March |
1.11 |
|
February |
5.78 |
| 1998 |
January |
2.50 |
| 1997 |
December |
0.92 |
|
November |
2.81 |
|
October |
2.46 |
|
September |
4.64 |
|
August |
6.22 |
|
July |
5.06 |
|
June |
1.94 |
|
May |
1.79 |
|
April |
6.26 |
|
March |
4.96 |
|
February |
3.07 |
| 1997 |
January |
3.60 |
| 1996 |
December |
0.08 |
|
November |
2.65 |
|
October |
1.92 |
|
September |
3.30 |
|
August |
1.70 |
|
July |
1.44 |
|
June |
1.28 |
|
May |
1.07 |
|
April |
1.13 |
|
March |
3.77 |
|
February |
5.53 |
| 1996 |
January |
2.33 |
| 1995 |
December |
1.90 |
|
November |
2.78 |
|
October |
0.59 |
|
September |
1.29 |
|
August |
0.55 |
|
July |
2.21 |
|
June |
1.77 |
|
May |
1.85 |
|
April |
3.84 |
|
March |
5.18 |
|
February |
1.71 |
| 1995 |
January |
0.25 |
| 1994 |
December |
0.60 |
|
November |
2.32 |
|
October |
0.35 |
|
September |
0.22 |
|
August |
0.68 |
|
July |
2.49 |
|
June |
0.00 |
|
May |
0.10 |
|
April |
0.80 |
|
March |
5.03 |
|
February |
2.58 |
| 1994 |
January |
0.27 |
| 1993 |
December |
0.00 |
|
November |
0.20 |
|
October |
0.14 |
|
September |
1.94 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.26 |
|
May |
1.28 |
|
April |
0.00 |
|
March |
0.15 |
|
February |
0.00 |
| 1993 |
January |
0.84 |
| 1992 |
December |
0.11 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.22 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.40 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
4.01 |
|
February |
0.00 |
| 1992 |
January |
0.00 |
| 1991 |
December |
0.17 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
2.08 |
|
March |
0.58 |
|
February |
0.00 |
| 1991 |
January |
0.00 |
| 1990 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.30 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.56 |
|
February |
0.00 |
| 1990 |
January |
0.20 |
| 1989 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.72 |
|
June |
0.22 |
|
May |
0.45 |
|
April |
1.66 |
|
March |
0.00 |
|
February |
1.88 |
| 1989 |
January |
0.00 |
| 1988 |
December |
0.04 |
|
November |
0.00 |
|
October |
0.69 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.36 |
|
March |
0.00 |
|
February |
2.65 |
| 1988 |
January |
0.83 |
| 1987 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.31 |
|
February |
0.00 |
| 1987 |
January |
0.00 |
| 1986 |
December |
0.49 |
|
November |
0.00 |
|
October |
0.16 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.38 |
|
June |
1.16 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
1.24 |
| 1986 |
January |
0.57 |
| 1985 |
December |
0.00 |
|
November |
0.74 |
|
October |
0.00 |
|
September |
0.22 |
|
August |
0.46 |
|
July |
0.02 |
|
June |
0.21 |
|
May |
0.00 |
|
April |
0.68 |
|
March |
0.24 |
|
February |
0.00 |
| 1985 |
January |
0.00 |
| 1984 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.42 |
|
July |
0.00 |
|
June |
0.86 |
|
May |
1.23 |
|
April |
0.23 |
|
March |
0.51 |
|
February |
0.50 |
| 1984 |
January |
1.92 |
| 1983 |
December |
0.00 |
|
November |
1.08 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1983 |
January |
0.00 |
| 1982 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.32 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1982 |
January |
0.00 |
|