| Year |
Month |
Pounds (x1000) |
| 2008 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.51 |
|
May |
0.58 |
|
April |
0.43 |
|
March |
0.26 |
|
February |
0.11 |
| 2008 |
January |
0.33 |
| 2007 |
December |
0.84 |
|
November |
0.59 |
|
October |
1.57 |
|
September |
2.49 |
|
August |
1.68 |
|
July |
1.80 |
|
June |
1.59 |
|
May |
2.34 |
|
April |
1.84 |
|
March |
4.21 |
|
February |
3.40 |
| 2007 |
January |
3.14 |
| 2006 |
December |
1.78 |
|
November |
2.75 |
|
October |
2.54 |
|
September |
3.80 |
|
August |
4.98 |
|
July |
8.72 |
|
June |
6.34 |
|
May |
3.88 |
|
April |
0.34 |
|
March |
0.51 |
|
February |
0.21 |
| 2006 |
January |
0.35 |
| 2005 |
December |
0.12 |
|
November |
0.09 |
|
October |
1.70 |
|
September |
0.85 |
|
August |
1.09 |
|
July |
0.90 |
|
June |
0.58 |
|
May |
1.20 |
|
April |
0.42 |
|
March |
0.83 |
|
February |
0.78 |
| 2005 |
January |
1.98 |
| 2004 |
December |
1.40 |
|
November |
0.71 |
|
October |
1.19 |
|
September |
1.31 |
|
August |
1.32 |
|
July |
0.46 |
|
June |
0.48 |
|
May |
0.87 |
|
April |
0.46 |
|
March |
0.28 |
|
February |
0.30 |
| 2004 |
January |
0.33 |
| 2003 |
December |
1.44 |
|
November |
0.78 |
|
October |
2.11 |
|
September |
2.49 |
|
August |
2.30 |
|
July |
1.16 |
|
June |
0.77 |
|
May |
1.23 |
|
April |
1.08 |
|
March |
0.87 |
|
February |
0.59 |
| 2003 |
January |
3.22 |
| 2002 |
December |
9.29 |
|
November |
3.28 |
|
October |
3.23 |
|
September |
6.12 |
|
August |
6.12 |
|
July |
7.29 |
|
June |
3.10 |
|
May |
1.10 |
|
April |
2.19 |
|
March |
1.56 |
|
February |
1.25 |
| 2002 |
January |
0.91 |
| 2001 |
December |
2.56 |
|
November |
1.01 |
|
October |
4.81 |
|
September |
6.88 |
|
August |
11.76 |
|
July |
2.46 |
|
June |
3.13 |
|
May |
1.16 |
|
April |
0.52 |
|
March |
0.46 |
|
February |
0.56 |
| 2001 |
January |
1.27 |
| 2000 |
December |
0.42 |
|
November |
0.92 |
|
October |
2.60 |
|
September |
6.55 |
|
August |
6.20 |
|
July |
2.79 |
|
June |
1.36 |
|
May |
1.72 |
|
April |
0.45 |
|
March |
1.50 |
|
February |
1.41 |
| 2000 |
January |
1.87 |
| 1999 |
December |
3.16 |
|
November |
3.98 |
|
October |
1.66 |
|
September |
5.01 |
|
August |
6.19 |
|
July |
3.27 |
|
June |
2.01 |
|
May |
1.75 |
|
April |
1.07 |
|
March |
0.60 |
|
February |
1.08 |
| 1999 |
January |
0.76 |
| 1998 |
December |
1.37 |
|
November |
2.09 |
|
October |
3.85 |
|
September |
2.65 |
|
August |
3.35 |
|
July |
1.11 |
|
June |
0.66 |
|
May |
0.69 |
|
April |
0.63 |
|
March |
1.04 |
|
February |
3.82 |
| 1998 |
January |
2.10 |
| 1997 |
December |
2.95 |
|
November |
10.20 |
|
October |
4.77 |
|
September |
4.30 |
|
August |
2.53 |
|
July |
1.67 |
|
June |
0.89 |
|
May |
1.10 |
|
April |
0.69 |
|
March |
0.89 |
|
February |
0.48 |
| 1997 |
January |
0.63 |
| 1996 |
December |
0.89 |
|
November |
0.60 |
|
October |
1.88 |
|
September |
0.39 |
|
August |
0.66 |
|
July |
1.63 |
|
June |
0.29 |
|
May |
0.45 |
|
April |
0.23 |
|
March |
0.39 |
|
February |
0.07 |
| 1996 |
January |
0.52 |
| 1995 |
December |
1.28 |
|
November |
0.93 |
|
October |
0.89 |
|
September |
0.72 |
|
August |
0.86 |
|
July |
0.64 |
|
June |
0.55 |
|
May |
0.96 |
|
April |
0.23 |
|
March |
1.26 |
|
February |
0.71 |
| 1995 |
January |
1.55 |
| 1994 |
December |
2.14 |
|
November |
0.65 |
|
October |
0.95 |
|
September |
2.07 |
|
August |
1.24 |
|
July |
3.12 |
|
June |
0.09 |
|
May |
0.17 |
|
April |
0.14 |
|
March |
0.08 |
|
February |
0.16 |
| 1994 |
January |
0.39 |
| 1993 |
December |
0.12 |
|
November |
0.58 |
|
October |
0.74 |
|
September |
0.45 |
|
August |
1.82 |
|
July |
0.58 |
|
June |
0.34 |
|
May |
0.12 |
|
April |
0.13 |
|
March |
0.07 |
|
February |
0.05 |
| 1993 |
January |
0.19 |
| 1992 |
December |
0.54 |
|
November |
0.29 |
|
October |
0.08 |
|
September |
0.02 |
|
August |
0.23 |
|
July |
0.10 |
|
June |
0.33 |
|
May |
0.22 |
|
April |
0.12 |
|
March |
0.33 |
|
February |
0.01 |
| 1992 |
January |
0.10 |
| 1991 |
December |
0.00 |
|
November |
0.13 |
|
October |
0.10 |
|
September |
0.10 |
|
August |
0.32 |
|
July |
0.11 |
|
June |
0.01 |
|
May |
0.22 |
|
April |
0.55 |
|
March |
0.13 |
|
February |
0.81 |
| 1991 |
January |
0.24 |
| 1990 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.02 |
|
September |
0.48 |
|
August |
1.33 |
|
July |
0.08 |
|
June |
0.05 |
|
May |
0.01 |
|
April |
0.01 |
|
March |
0.00 |
|
February |
0.00 |
| 1990 |
January |
0.04 |
| 1989 |
December |
0.13 |
|
November |
0.13 |
|
October |
0.13 |
|
September |
0.15 |
|
August |
0.46 |
|
July |
0.00 |
|
June |
0.45 |
|
May |
0.19 |
|
April |
0.01 |
|
March |
0.08 |
|
February |
0.03 |
| 1989 |
January |
0.00 |
| 1988 |
December |
0.10 |
|
November |
0.10 |
|
October |
0.03 |
|
September |
0.06 |
|
August |
1.32 |
|
July |
1.12 |
|
June |
1.98 |
|
May |
0.01 |
|
April |
0.00 |
|
March |
0.11 |
|
February |
0.00 |
| 1988 |
January |
0.06 |
| 1987 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.05 |
|
September |
0.25 |
|
August |
0.90 |
|
July |
0.17 |
|
June |
0.49 |
|
May |
0.37 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1987 |
January |
0.18 |
| 1986 |
December |
0.15 |
|
November |
0.00 |
|
October |
1.85 |
|
September |
3.52 |
|
August |
1.34 |
|
July |
0.81 |
|
June |
0.14 |
|
May |
0.15 |
|
April |
0.37 |
|
March |
0.02 |
|
February |
0.49 |
| 1986 |
January |
0.11 |
| 1985 |
December |
0.09 |
|
November |
0.31 |
|
October |
2.06 |
|
September |
0.42 |
|
August |
1.14 |
|
July |
1.93 |
|
June |
0.92 |
|
May |
0.27 |
|
April |
0.31 |
|
March |
0.14 |
|
February |
0.00 |
| 1985 |
January |
0.00 |
| 1984 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.06 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.22 |
|
May |
0.59 |
|
April |
0.29 |
|
March |
0.04 |
|
February |
0.19 |
| 1984 |
January |
0.42 |
| 1983 |
December |
0.34 |
|
November |
0.55 |
|
October |
0.37 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.11 |
|
March |
0.00 |
|
February |
0.04 |
| 1983 |
January |
0.04 |
| 1982 |
December |
0.09 |
|
November |
0.11 |
|
October |
0.25 |
|
September |
0.00 |
|
August |
0.10 |
|
July |
0.09 |
|
June |
0.03 |
|
May |
0.06 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1982 |
January |
0.00 |
|