| Year |
Month |
Pounds (x1000) |
| 2008 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.72 |
|
June |
135.19 |
|
May |
78.37 |
|
April |
102.61 |
|
March |
42.83 |
|
February |
72.70 |
| 2008 |
January |
31.75 |
| 2007 |
December |
45.55 |
|
November |
65.14 |
|
October |
210.01 |
|
September |
91.56 |
|
August |
101.43 |
|
July |
142.62 |
|
June |
138.34 |
|
May |
210.04 |
|
April |
145.74 |
|
March |
111.07 |
|
February |
81.53 |
| 2007 |
January |
43.24 |
| 2006 |
December |
54.16 |
|
November |
35.46 |
|
October |
78.18 |
|
September |
98.42 |
|
August |
60.77 |
|
July |
122.43 |
|
June |
67.71 |
|
May |
140.61 |
|
April |
62.90 |
|
March |
160.99 |
|
February |
116.14 |
| 2006 |
January |
98.33 |
| 2005 |
December |
96.27 |
|
November |
81.24 |
|
October |
98.89 |
|
September |
87.13 |
|
August |
133.19 |
|
July |
286.86 |
|
June |
176.83 |
|
May |
113.55 |
|
April |
16.13 |
|
March |
7.53 |
|
February |
9.70 |
| 2005 |
January |
23.09 |
| 2004 |
December |
39.25 |
|
November |
63.60 |
|
October |
90.12 |
|
September |
169.39 |
|
August |
424.66 |
|
July |
518.78 |
|
June |
119.24 |
|
May |
86.40 |
|
April |
163.90 |
|
March |
63.58 |
|
February |
98.96 |
| 2004 |
January |
121.48 |
| 2003 |
December |
65.12 |
|
November |
58.83 |
|
October |
69.50 |
|
September |
119.58 |
|
August |
41.60 |
|
July |
63.80 |
|
June |
144.51 |
|
May |
189.47 |
|
April |
166.19 |
|
March |
91.88 |
|
February |
33.18 |
| 2003 |
January |
54.93 |
| 2002 |
December |
92.96 |
|
November |
76.04 |
|
October |
70.99 |
|
September |
132.56 |
|
August |
144.00 |
|
July |
114.26 |
|
June |
102.15 |
|
May |
111.07 |
|
April |
50.84 |
|
March |
41.92 |
|
February |
53.75 |
| 2002 |
January |
28.63 |
| 2001 |
December |
43.29 |
|
November |
37.70 |
|
October |
39.33 |
|
September |
33.33 |
|
August |
58.81 |
|
July |
41.16 |
|
June |
52.00 |
|
May |
44.73 |
|
April |
23.96 |
|
March |
17.85 |
|
February |
8.47 |
| 2001 |
January |
2.19 |
| 2000 |
December |
5.44 |
|
November |
3.80 |
|
October |
3.03 |
|
September |
6.08 |
|
August |
20.01 |
|
July |
8.46 |
|
June |
7.24 |
|
May |
47.57 |
|
April |
56.41 |
|
March |
27.67 |
|
February |
6.91 |
| 2000 |
January |
3.73 |
| 1999 |
December |
4.55 |
|
November |
5.13 |
|
October |
7.32 |
|
September |
8.85 |
|
August |
4.13 |
|
July |
9.66 |
|
June |
17.54 |
|
May |
26.82 |
|
April |
23.74 |
|
March |
14.59 |
|
February |
6.85 |
| 1999 |
January |
4.76 |
| 1998 |
December |
2.34 |
|
November |
5.16 |
|
October |
8.50 |
|
September |
4.72 |
|
August |
3.25 |
|
July |
4.29 |
|
June |
5.96 |
|
May |
17.30 |
|
April |
8.34 |
|
March |
8.84 |
|
February |
6.88 |
| 1998 |
January |
8.88 |
| 1997 |
December |
10.25 |
|
November |
2.16 |
|
October |
2.67 |
|
September |
1.89 |
|
August |
3.59 |
|
July |
9.08 |
|
June |
3.67 |
|
May |
8.14 |
|
April |
12.81 |
|
March |
7.25 |
|
February |
8.70 |
| 1997 |
January |
5.58 |
| 1996 |
December |
5.76 |
|
November |
4.56 |
|
October |
2.34 |
|
September |
4.73 |
|
August |
2.63 |
|
July |
6.65 |
|
June |
7.46 |
|
May |
7.68 |
|
April |
3.20 |
|
March |
6.46 |
|
February |
3.05 |
| 1996 |
January |
5.93 |
| 1995 |
December |
5.57 |
|
November |
9.17 |
|
October |
2.43 |
|
September |
2.45 |
|
August |
2.09 |
|
July |
2.47 |
|
June |
4.02 |
|
May |
4.12 |
|
April |
7.09 |
|
March |
12.73 |
|
February |
2.05 |
| 1995 |
January |
2.44 |
| 1994 |
December |
4.35 |
|
November |
1.62 |
|
October |
1.81 |
|
September |
4.09 |
|
August |
3.42 |
|
July |
13.40 |
|
June |
10.04 |
|
May |
6.85 |
|
April |
1.75 |
|
March |
2.80 |
|
February |
1.85 |
| 1994 |
January |
1.32 |
| 1993 |
December |
1.06 |
|
November |
0.93 |
|
October |
1.83 |
|
September |
1.77 |
|
August |
2.62 |
|
July |
1.33 |
|
June |
2.51 |
|
May |
1.74 |
|
April |
2.43 |
|
March |
2.42 |
|
February |
1.38 |
| 1993 |
January |
1.96 |
| 1992 |
December |
1.02 |
|
November |
0.45 |
|
October |
3.32 |
|
September |
1.59 |
|
August |
2.76 |
|
July |
1.97 |
|
June |
2.10 |
|
May |
2.05 |
|
April |
2.52 |
|
March |
4.39 |
|
February |
0.70 |
| 1992 |
January |
2.08 |
| 1991 |
December |
11.68 |
|
November |
0.96 |
|
October |
1.34 |
|
September |
0.97 |
|
August |
1.12 |
|
July |
0.59 |
|
June |
0.93 |
|
May |
2.18 |
|
April |
2.28 |
|
March |
2.37 |
|
February |
2.61 |
| 1991 |
January |
5.03 |
| 1990 |
December |
0.47 |
|
November |
0.96 |
|
October |
4.79 |
|
September |
0.86 |
|
August |
1.80 |
|
July |
1.43 |
|
June |
1.72 |
|
May |
1.26 |
|
April |
0.57 |
|
March |
0.54 |
|
February |
0.18 |
| 1990 |
January |
1.49 |
| 1989 |
December |
1.88 |
|
November |
2.99 |
|
October |
4.15 |
|
September |
0.59 |
|
August |
2.74 |
|
July |
2.80 |
|
June |
4.92 |
|
May |
8.86 |
|
April |
1.96 |
|
March |
0.87 |
|
February |
2.38 |
| 1989 |
January |
2.14 |
| 1988 |
December |
3.81 |
|
November |
3.50 |
|
October |
3.23 |
|
September |
2.36 |
|
August |
2.31 |
|
July |
0.86 |
|
June |
5.69 |
|
May |
0.96 |
|
April |
0.49 |
|
March |
4.21 |
|
February |
3.47 |
| 1988 |
January |
7.39 |
| 1987 |
December |
0.93 |
|
November |
2.53 |
|
October |
6.93 |
|
September |
4.16 |
|
August |
1.06 |
|
July |
0.79 |
|
June |
2.56 |
|
May |
0.91 |
|
April |
0.96 |
|
March |
2.32 |
|
February |
1.57 |
| 1987 |
January |
3.58 |
| 1986 |
December |
3.10 |
|
November |
3.55 |
|
October |
5.11 |
|
September |
2.58 |
|
August |
3.98 |
|
July |
6.13 |
|
June |
2.79 |
|
May |
4.31 |
|
April |
9.27 |
|
March |
2.08 |
|
February |
3.97 |
| 1986 |
January |
3.28 |
| 1985 |
December |
3.97 |
|
November |
1.15 |
|
October |
2.89 |
|
September |
0.25 |
|
August |
1.70 |
|
July |
4.52 |
|
June |
6.49 |
|
May |
1.92 |
|
April |
3.90 |
|
March |
3.30 |
|
February |
3.37 |
| 1985 |
January |
2.18 |
| 1984 |
December |
1.69 |
|
November |
1.58 |
|
October |
2.92 |
|
September |
0.09 |
|
August |
0.00 |
|
July |
2.32 |
|
June |
12.63 |
|
May |
12.89 |
|
April |
8.22 |
|
March |
8.68 |
|
February |
2.68 |
| 1984 |
January |
4.90 |
| 1983 |
December |
5.02 |
|
November |
5.82 |
|
October |
7.62 |
|
September |
0.10 |
|
August |
0.00 |
|
July |
0.06 |
|
June |
0.13 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1983 |
January |
0.21 |
| 1982 |
December |
0.17 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.77 |
|
August |
0.67 |
|
July |
0.54 |
|
June |
1.11 |
|
May |
0.89 |
|
April |
1.74 |
|
March |
0.81 |
|
February |
0.13 |
| 1982 |
January |
0.10 |
|