| Year |
Month |
Pounds (x1000) |
| 2008 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
83.38 |
|
July |
324.84 |
|
June |
307.83 |
|
May |
313.62 |
|
April |
242.06 |
|
March |
289.39 |
|
February |
394.66 |
| 2008 |
January |
273.30 |
| 2007 |
December |
261.43 |
|
November |
459.37 |
|
October |
425.38 |
|
September |
243.87 |
|
August |
286.36 |
|
July |
329.90 |
|
June |
336.85 |
|
May |
230.72 |
|
April |
155.46 |
|
March |
154.66 |
|
February |
158.29 |
| 2007 |
January |
204.30 |
| 2006 |
December |
224.54 |
|
November |
198.36 |
|
October |
222.00 |
|
September |
260.05 |
|
August |
264.63 |
|
July |
234.28 |
|
June |
285.57 |
|
May |
285.78 |
|
April |
224.28 |
|
March |
311.20 |
|
February |
313.31 |
| 2006 |
January |
207.48 |
| 2005 |
December |
273.14 |
|
November |
233.98 |
|
October |
184.42 |
|
September |
218.19 |
|
August |
278.44 |
|
July |
278.30 |
|
June |
279.40 |
|
May |
236.80 |
|
April |
169.61 |
|
March |
284.69 |
|
February |
324.23 |
| 2005 |
January |
448.17 |
| 2004 |
December |
294.56 |
|
November |
153.87 |
|
October |
416.73 |
|
September |
338.33 |
|
August |
368.50 |
|
July |
468.93 |
|
June |
289.36 |
|
May |
176.44 |
|
April |
124.47 |
|
March |
168.60 |
|
February |
117.72 |
| 2004 |
January |
192.81 |
| 2003 |
December |
230.82 |
|
November |
127.10 |
|
October |
129.74 |
|
September |
183.32 |
|
August |
271.89 |
|
July |
400.54 |
|
June |
325.09 |
|
May |
413.09 |
|
April |
198.63 |
|
March |
479.81 |
|
February |
384.38 |
| 2003 |
January |
305.21 |
| 2002 |
December |
112.72 |
|
November |
83.00 |
|
October |
116.48 |
|
September |
234.17 |
|
August |
319.29 |
|
July |
439.04 |
|
June |
261.88 |
|
May |
263.90 |
|
April |
211.03 |
|
March |
187.94 |
|
February |
248.93 |
| 2002 |
January |
153.32 |
| 2001 |
December |
114.29 |
|
November |
174.24 |
|
October |
161.95 |
|
September |
451.35 |
|
August |
885.04 |
|
July |
788.15 |
|
June |
506.90 |
|
May |
287.43 |
|
April |
160.08 |
|
March |
215.99 |
|
February |
295.91 |
| 2001 |
January |
190.09 |
| 2000 |
December |
463.57 |
|
November |
364.36 |
|
October |
415.11 |
|
September |
539.95 |
|
August |
766.65 |
|
July |
648.59 |
|
June |
373.41 |
|
May |
230.23 |
|
April |
328.02 |
|
March |
315.45 |
|
February |
358.78 |
| 2000 |
January |
212.95 |
| 1999 |
December |
255.12 |
|
November |
215.20 |
|
October |
258.71 |
|
September |
284.43 |
|
August |
487.87 |
|
July |
581.60 |
|
June |
332.80 |
|
May |
263.63 |
|
April |
241.73 |
|
March |
255.27 |
|
February |
353.38 |
| 1999 |
January |
342.83 |
| 1998 |
December |
345.25 |
|
November |
259.01 |
|
October |
196.32 |
|
September |
284.77 |
|
August |
333.54 |
|
July |
575.59 |
|
June |
507.77 |
|
May |
257.69 |
|
April |
249.82 |
|
March |
366.82 |
|
February |
180.12 |
| 1998 |
January |
134.79 |
| 1997 |
December |
173.53 |
|
November |
122.45 |
|
October |
199.87 |
|
September |
334.64 |
|
August |
539.03 |
|
July |
644.94 |
|
June |
535.73 |
|
May |
640.38 |
|
April |
351.45 |
|
March |
326.16 |
|
February |
226.95 |
| 1997 |
January |
180.15 |
| 1996 |
December |
184.89 |
|
November |
244.55 |
|
October |
198.34 |
|
September |
207.69 |
|
August |
535.95 |
|
July |
635.20 |
|
June |
395.50 |
|
May |
263.22 |
|
April |
184.51 |
|
March |
284.91 |
|
February |
226.85 |
| 1996 |
January |
300.84 |
| 1995 |
December |
318.82 |
|
November |
266.33 |
|
October |
285.52 |
|
September |
262.28 |
|
August |
573.73 |
|
July |
822.44 |
|
June |
603.73 |
|
May |
355.34 |
|
April |
273.19 |
|
March |
402.34 |
|
February |
254.86 |
| 1995 |
January |
277.33 |
| 1994 |
December |
263.73 |
|
November |
165.07 |
|
October |
209.12 |
|
September |
350.13 |
|
August |
488.17 |
|
July |
655.92 |
|
June |
559.44 |
|
May |
307.98 |
|
April |
178.07 |
|
March |
162.59 |
|
February |
307.69 |
| 1994 |
January |
296.59 |
| 1993 |
December |
276.26 |
|
November |
151.02 |
|
October |
166.61 |
|
September |
241.62 |
|
August |
402.84 |
|
July |
622.90 |
|
June |
627.99 |
|
May |
350.27 |
|
April |
199.74 |
|
March |
251.48 |
|
February |
224.98 |
| 1993 |
January |
132.86 |
| 1992 |
December |
147.63 |
|
November |
152.58 |
|
October |
185.66 |
|
September |
244.81 |
|
August |
397.43 |
|
July |
429.97 |
|
June |
243.72 |
|
May |
246.36 |
|
April |
254.02 |
|
March |
232.16 |
|
February |
151.57 |
| 1992 |
January |
164.67 |
| 1991 |
December |
200.99 |
|
November |
190.91 |
|
October |
147.41 |
|
September |
175.66 |
|
August |
479.03 |
|
July |
637.65 |
|
June |
480.24 |
|
May |
341.63 |
|
April |
205.74 |
|
March |
133.38 |
|
February |
212.05 |
| 1991 |
January |
206.28 |
| 1990 |
December |
183.35 |
|
November |
231.96 |
|
October |
227.50 |
|
September |
333.92 |
|
August |
607.18 |
|
July |
737.72 |
|
June |
375.40 |
|
May |
340.67 |
|
April |
325.05 |
|
March |
154.21 |
|
February |
175.81 |
| 1990 |
January |
170.71 |
|