| 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 |
26.76 |
|
April |
71.46 |
|
March |
29.94 |
|
February |
28.08 |
| 2008 |
January |
23.70 |
| 2007 |
December |
41.22 |
|
November |
8.21 |
|
October |
23.74 |
|
September |
34.29 |
|
August |
61.03 |
|
July |
79.90 |
|
June |
108.58 |
|
May |
84.67 |
|
April |
93.14 |
|
March |
63.29 |
|
February |
94.17 |
| 2007 |
January |
37.05 |
| 2006 |
December |
112.38 |
|
November |
105.81 |
|
October |
40.07 |
|
September |
88.91 |
|
August |
187.43 |
|
July |
121.08 |
|
June |
83.09 |
|
May |
82.92 |
|
April |
20.34 |
|
March |
14.30 |
|
February |
4.45 |
| 2006 |
January |
6.77 |
| 2005 |
December |
33.43 |
|
November |
32.99 |
|
October |
55.22 |
|
September |
147.94 |
|
August |
155.17 |
|
July |
101.11 |
|
June |
154.36 |
|
May |
78.16 |
|
April |
52.74 |
|
March |
92.59 |
|
February |
36.38 |
| 2005 |
January |
24.37 |
| 2004 |
December |
49.17 |
|
November |
50.19 |
|
October |
50.31 |
|
September |
90.47 |
|
August |
131.39 |
|
July |
85.93 |
|
June |
135.42 |
|
May |
117.62 |
|
April |
78.89 |
|
March |
39.49 |
|
February |
25.36 |
| 2004 |
January |
22.24 |
| 2003 |
December |
43.90 |
|
November |
29.14 |
|
October |
143.91 |
|
September |
89.07 |
|
August |
153.37 |
|
July |
197.00 |
|
June |
271.39 |
|
May |
152.93 |
|
April |
121.99 |
|
March |
36.06 |
|
February |
39.16 |
| 2003 |
January |
62.43 |
| 2002 |
December |
126.44 |
|
November |
72.42 |
|
October |
38.48 |
|
September |
18.61 |
|
August |
192.76 |
|
July |
224.03 |
|
June |
121.20 |
|
May |
51.66 |
|
April |
32.56 |
|
March |
5.97 |
|
February |
23.57 |
| 2002 |
January |
48.02 |
| 2001 |
December |
111.86 |
|
November |
91.52 |
|
October |
63.05 |
|
September |
134.69 |
|
August |
236.90 |
|
July |
210.19 |
|
June |
270.40 |
|
May |
101.90 |
|
April |
88.02 |
|
March |
36.22 |
|
February |
115.86 |
| 2001 |
January |
81.53 |
| 2000 |
December |
67.15 |
|
November |
95.77 |
|
October |
121.25 |
|
September |
88.90 |
|
August |
125.80 |
|
July |
340.64 |
|
June |
56.28 |
|
May |
42.04 |
|
April |
26.68 |
|
March |
16.37 |
|
February |
27.05 |
| 2000 |
January |
27.75 |
| 1999 |
December |
53.81 |
|
November |
64.82 |
|
October |
237.04 |
|
September |
228.29 |
|
August |
316.75 |
|
July |
247.74 |
|
June |
117.31 |
|
May |
166.62 |
|
April |
132.48 |
|
March |
63.13 |
|
February |
52.88 |
| 1999 |
January |
63.26 |
| 1998 |
December |
102.01 |
|
November |
103.09 |
|
October |
230.64 |
|
September |
164.66 |
|
August |
144.03 |
|
July |
95.13 |
|
June |
129.88 |
|
May |
72.32 |
|
April |
46.93 |
|
March |
28.48 |
|
February |
19.83 |
| 1998 |
January |
39.94 |
| 1997 |
December |
122.13 |
|
November |
156.44 |
|
October |
270.66 |
|
September |
312.59 |
|
August |
585.09 |
|
July |
322.85 |
|
June |
180.96 |
|
May |
241.42 |
|
April |
74.90 |
|
March |
61.13 |
|
February |
39.57 |
| 1997 |
January |
42.12 |
| 1996 |
December |
164.11 |
|
November |
121.78 |
|
October |
234.44 |
|
September |
201.38 |
|
August |
409.84 |
|
July |
341.23 |
|
June |
201.51 |
|
May |
242.16 |
|
April |
134.42 |
|
March |
71.07 |
|
February |
60.37 |
| 1996 |
January |
108.51 |
| 1995 |
December |
119.64 |
|
November |
221.59 |
|
October |
176.99 |
|
September |
141.86 |
|
August |
131.56 |
|
July |
187.35 |
|
June |
184.59 |
|
May |
157.02 |
|
April |
95.29 |
|
March |
57.62 |
|
February |
78.94 |
| 1995 |
January |
104.81 |
| 1994 |
December |
155.00 |
|
November |
77.80 |
|
October |
120.20 |
|
September |
157.56 |
|
August |
148.67 |
|
July |
136.95 |
|
June |
133.37 |
|
May |
180.00 |
|
April |
85.35 |
|
March |
79.97 |
|
February |
94.67 |
| 1994 |
January |
80.79 |
| 1993 |
December |
185.14 |
|
November |
283.48 |
|
October |
436.77 |
|
September |
443.17 |
|
August |
398.46 |
|
July |
258.09 |
|
June |
134.00 |
|
May |
89.94 |
|
April |
69.64 |
|
March |
43.94 |
|
February |
35.16 |
| 1993 |
January |
44.79 |
| 1992 |
December |
180.59 |
|
November |
243.13 |
|
October |
265.17 |
|
September |
154.36 |
|
August |
176.25 |
|
July |
228.15 |
|
June |
188.78 |
|
May |
137.89 |
|
April |
172.57 |
|
March |
74.37 |
|
February |
40.10 |
| 1992 |
January |
91.15 |
| 1991 |
December |
170.06 |
|
November |
195.15 |
|
October |
271.93 |
|
September |
271.89 |
|
August |
331.38 |
|
July |
399.43 |
|
June |
354.48 |
|
May |
311.40 |
|
April |
146.14 |
|
March |
35.43 |
|
February |
23.02 |
| 1991 |
January |
28.75 |
| 1990 |
December |
30.98 |
|
November |
86.84 |
|
October |
60.05 |
|
September |
42.74 |
|
August |
240.58 |
|
July |
121.43 |
|
June |
197.15 |
|
May |
66.51 |
|
April |
153.27 |
|
March |
72.95 |
|
February |
76.63 |
| 1990 |
January |
164.44 |
|