| 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 |
29.61 |
|
April |
46.90 |
|
March |
50.92 |
|
February |
46.57 |
| 2008 |
January |
39.57 |
| 2007 |
December |
55.78 |
|
November |
21.98 |
|
October |
21.30 |
|
September |
30.43 |
|
August |
33.18 |
|
July |
41.36 |
|
June |
40.22 |
|
May |
31.33 |
|
April |
39.20 |
|
March |
46.26 |
|
February |
41.01 |
| 2007 |
January |
56.17 |
| 2006 |
December |
48.83 |
|
November |
29.52 |
|
October |
16.46 |
|
September |
13.66 |
|
August |
21.50 |
|
July |
39.99 |
|
June |
43.47 |
|
May |
38.12 |
|
April |
35.05 |
|
March |
44.56 |
|
February |
42.74 |
| 2006 |
January |
40.25 |
| 2005 |
December |
37.46 |
|
November |
20.65 |
|
October |
21.23 |
|
September |
14.35 |
|
August |
16.72 |
|
July |
27.66 |
|
June |
37.01 |
|
May |
42.73 |
|
April |
41.26 |
|
March |
47.29 |
|
February |
45.53 |
| 2005 |
January |
33.91 |
| 2004 |
December |
33.75 |
|
November |
28.27 |
|
October |
16.36 |
|
September |
13.29 |
|
August |
15.57 |
|
July |
19.55 |
|
June |
28.53 |
|
May |
31.02 |
|
April |
43.18 |
|
March |
47.58 |
|
February |
38.01 |
| 2004 |
January |
30.92 |
| 2003 |
December |
41.04 |
|
November |
24.85 |
|
October |
15.15 |
|
September |
10.91 |
|
August |
16.81 |
|
July |
14.11 |
|
June |
16.09 |
|
May |
22.86 |
|
April |
21.73 |
|
March |
34.96 |
|
February |
33.71 |
| 2003 |
January |
26.40 |
| 2002 |
December |
32.25 |
|
November |
23.86 |
|
October |
10.06 |
|
September |
4.72 |
|
August |
6.80 |
|
July |
9.85 |
|
June |
11.32 |
|
May |
16.26 |
|
April |
14.13 |
|
March |
24.59 |
|
February |
26.21 |
| 2002 |
January |
23.52 |
| 2001 |
December |
25.10 |
|
November |
16.86 |
|
October |
6.60 |
|
September |
3.33 |
|
August |
5.60 |
|
July |
5.51 |
|
June |
9.56 |
|
May |
10.86 |
|
April |
4.31 |
|
March |
15.24 |
|
February |
16.97 |
| 2001 |
January |
23.50 |
| 2000 |
December |
14.34 |
|
November |
5.38 |
|
October |
2.54 |
|
September |
3.31 |
|
August |
5.96 |
|
July |
8.90 |
|
June |
6.95 |
|
May |
9.53 |
|
April |
7.77 |
|
March |
13.50 |
|
February |
11.75 |
| 2000 |
January |
3.05 |
| 1999 |
December |
0.59 |
|
November |
0.36 |
|
October |
0.18 |
|
September |
0.11 |
|
August |
0.27 |
|
July |
0.00 |
|
June |
0.18 |
|
May |
3.80 |
|
April |
0.30 |
|
March |
0.44 |
|
February |
0.17 |
| 1999 |
January |
0.00 |
| 1998 |
December |
0.02 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.27 |
|
March |
0.00 |
|
February |
0.00 |
| 1998 |
January |
0.00 |
| 1997 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.18 |
|
May |
0.19 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1997 |
January |
0.00 |
| 1996 |
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 |
0.04 |
|
February |
0.04 |
| 1996 |
January |
0.00 |
| 1995 |
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 |
0.15 |
|
March |
0.00 |
|
February |
0.00 |
| 1995 |
January |
0.03 |
| 1994 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.15 |
|
July |
0.00 |
|
June |
0.09 |
|
May |
0.00 |
|
April |
0.16 |
|
March |
0.22 |
|
February |
0.03 |
| 1994 |
January |
0.12 |
| 1993 |
December |
0.02 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.03 |
|
June |
0.08 |
|
May |
0.07 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1993 |
January |
0.23 |
| 1992 |
December |
6.87 |
|
November |
9.52 |
|
October |
4.20 |
|
September |
3.83 |
|
August |
12.05 |
|
July |
9.08 |
|
June |
11.20 |
|
May |
11.62 |
|
April |
20.29 |
|
March |
12.01 |
|
February |
6.42 |
| 1992 |
January |
8.65 |
| 1991 |
December |
11.32 |
|
November |
11.15 |
|
October |
8.00 |
|
September |
7.17 |
|
August |
17.32 |
|
July |
11.56 |
|
June |
6.52 |
|
May |
9.21 |
|
April |
8.28 |
|
March |
6.28 |
|
February |
5.74 |
| 1991 |
January |
8.92 |
| 1990 |
December |
3.60 |
|
November |
4.17 |
|
October |
2.26 |
|
September |
1.70 |
|
August |
1.06 |
|
July |
0.69 |
|
June |
1.58 |
|
May |
3.68 |
|
April |
3.65 |
|
March |
1.82 |
|
February |
1.77 |
| 1990 |
January |
3.95 |
|