| 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 |
102.19 |
|
April |
67.55 |
|
March |
51.74 |
|
February |
51.66 |
| 2008 |
January |
34.36 |
| 2007 |
December |
31.85 |
|
November |
24.53 |
|
October |
21.03 |
|
September |
16.22 |
|
August |
20.13 |
|
July |
56.83 |
|
June |
85.99 |
|
May |
93.55 |
|
April |
60.62 |
|
March |
56.52 |
|
February |
58.38 |
| 2007 |
January |
97.52 |
| 2006 |
December |
160.97 |
|
November |
202.04 |
|
October |
256.87 |
|
September |
80.00 |
|
August |
85.99 |
|
July |
134.10 |
|
June |
108.11 |
|
May |
121.98 |
|
April |
103.29 |
|
March |
65.46 |
|
February |
55.65 |
| 2006 |
January |
59.95 |
| 2005 |
December |
99.40 |
|
November |
70.85 |
|
October |
57.76 |
|
September |
32.12 |
|
August |
40.14 |
|
July |
55.30 |
|
June |
170.76 |
|
May |
215.14 |
|
April |
116.22 |
|
March |
132.28 |
|
February |
103.32 |
| 2005 |
January |
124.72 |
| 2004 |
December |
112.24 |
|
November |
134.34 |
|
October |
65.02 |
|
September |
26.36 |
|
August |
27.48 |
|
July |
44.94 |
|
June |
30.44 |
|
May |
99.47 |
|
April |
70.12 |
|
March |
72.00 |
|
February |
82.85 |
| 2004 |
January |
171.57 |
| 2003 |
December |
278.77 |
|
November |
206.70 |
|
October |
111.68 |
|
September |
67.64 |
|
August |
27.93 |
|
July |
36.40 |
|
June |
62.55 |
|
May |
143.57 |
|
April |
87.01 |
|
March |
183.30 |
|
February |
98.30 |
| 2003 |
January |
69.47 |
| 2002 |
December |
73.92 |
|
November |
76.08 |
|
October |
38.49 |
|
September |
11.98 |
|
August |
14.17 |
|
July |
16.89 |
|
June |
25.03 |
|
May |
74.67 |
|
April |
59.03 |
|
March |
70.27 |
|
February |
64.61 |
| 2002 |
January |
89.86 |
| 2001 |
December |
179.94 |
|
November |
185.63 |
|
October |
120.62 |
|
September |
25.17 |
|
August |
18.14 |
|
July |
22.26 |
|
June |
66.56 |
|
May |
90.72 |
|
April |
43.49 |
|
March |
68.80 |
|
February |
68.62 |
| 2001 |
January |
94.47 |
| 2000 |
December |
63.45 |
|
November |
26.02 |
|
October |
22.15 |
|
September |
6.95 |
|
August |
39.22 |
|
July |
42.30 |
|
June |
81.77 |
|
May |
78.42 |
|
April |
39.73 |
|
March |
37.61 |
|
February |
65.86 |
| 2000 |
January |
44.66 |
| 1999 |
December |
83.24 |
|
November |
83.76 |
|
October |
87.38 |
|
September |
26.02 |
|
August |
27.82 |
|
July |
70.86 |
|
June |
114.19 |
|
May |
81.44 |
|
April |
48.02 |
|
March |
45.66 |
|
February |
74.34 |
| 1999 |
January |
129.05 |
| 1998 |
December |
203.32 |
|
November |
145.03 |
|
October |
120.99 |
|
September |
49.32 |
|
August |
23.57 |
|
July |
73.26 |
|
June |
91.01 |
|
May |
55.57 |
|
April |
30.28 |
|
March |
23.34 |
|
February |
75.64 |
| 1998 |
January |
62.03 |
| 1997 |
December |
74.85 |
|
November |
43.06 |
|
October |
44.63 |
|
September |
15.09 |
|
August |
9.30 |
|
July |
24.77 |
|
June |
142.57 |
|
May |
168.51 |
|
April |
98.30 |
|
March |
55.96 |
|
February |
65.11 |
| 1997 |
January |
58.42 |
| 1996 |
December |
84.74 |
|
November |
74.46 |
|
October |
80.36 |
|
September |
32.23 |
|
August |
46.77 |
|
July |
60.49 |
|
June |
87.40 |
|
May |
133.58 |
|
April |
91.86 |
|
March |
74.25 |
|
February |
79.14 |
| 1996 |
January |
169.16 |
| 1995 |
December |
267.01 |
|
November |
169.66 |
|
October |
210.61 |
|
September |
70.97 |
|
August |
20.60 |
|
July |
41.83 |
|
June |
152.33 |
|
May |
156.60 |
|
April |
79.99 |
|
March |
81.94 |
|
February |
66.04 |
| 1995 |
January |
61.44 |
| 1994 |
December |
65.21 |
|
November |
59.94 |
|
October |
37.38 |
|
September |
12.39 |
|
August |
16.92 |
|
July |
39.20 |
|
June |
105.84 |
|
May |
89.45 |
|
April |
53.87 |
|
March |
54.65 |
|
February |
78.76 |
| 1994 |
January |
126.47 |
| 1993 |
December |
170.24 |
|
November |
122.88 |
|
October |
71.29 |
|
September |
24.04 |
|
August |
27.08 |
|
July |
74.26 |
|
June |
169.83 |
|
May |
156.63 |
|
April |
109.00 |
|
March |
95.00 |
|
February |
79.87 |
| 1993 |
January |
45.41 |
| 1992 |
December |
92.60 |
|
November |
151.43 |
|
October |
177.58 |
|
September |
27.88 |
|
August |
49.17 |
|
July |
74.82 |
|
June |
118.40 |
|
May |
133.42 |
|
April |
82.57 |
|
March |
71.02 |
|
February |
95.15 |
| 1992 |
January |
65.91 |
| 1991 |
December |
79.82 |
|
November |
92.85 |
|
October |
134.51 |
|
September |
36.93 |
|
August |
18.99 |
|
July |
75.28 |
|
June |
199.02 |
|
May |
194.78 |
|
April |
104.50 |
|
March |
76.64 |
|
February |
116.81 |
| 1991 |
January |
130.94 |
| 1990 |
December |
99.89 |
|
November |
93.51 |
|
October |
44.30 |
|
September |
13.46 |
|
August |
18.91 |
|
July |
44.07 |
|
June |
118.58 |
|
May |
126.66 |
|
April |
79.82 |
|
March |
61.84 |
|
February |
71.52 |
| 1990 |
January |
92.34 |
|