| 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 |
0.25 |
|
April |
0.37 |
|
March |
0.78 |
|
February |
0.70 |
| 2008 |
January |
0.53 |
| 2007 |
December |
0.79 |
|
November |
0.75 |
|
October |
0.77 |
|
September |
1.07 |
|
August |
0.66 |
|
July |
1.02 |
|
June |
0.95 |
|
May |
1.05 |
|
April |
1.33 |
|
March |
1.16 |
|
February |
0.79 |
| 2007 |
January |
0.99 |
| 2006 |
December |
0.40 |
|
November |
0.92 |
|
October |
0.27 |
|
September |
0.58 |
|
August |
0.37 |
|
July |
0.27 |
|
June |
0.06 |
|
May |
0.50 |
|
April |
0.95 |
|
March |
0.18 |
|
February |
0.54 |
| 2006 |
January |
0.75 |
| 2005 |
December |
0.73 |
|
November |
1.79 |
|
October |
0.62 |
|
September |
1.26 |
|
August |
1.73 |
|
July |
0.49 |
|
June |
0.22 |
|
May |
0.09 |
|
April |
0.13 |
|
March |
0.00 |
|
February |
0.04 |
| 2005 |
January |
0.00 |
| 2004 |
December |
0.24 |
|
November |
0.36 |
|
October |
0.39 |
|
September |
0.16 |
|
August |
0.29 |
|
July |
0.24 |
|
June |
0.14 |
|
May |
0.17 |
|
April |
0.20 |
|
March |
0.19 |
|
February |
0.38 |
| 2004 |
January |
0.37 |
| 2003 |
December |
0.54 |
|
November |
0.92 |
|
October |
0.81 |
|
September |
0.56 |
|
August |
0.36 |
|
July |
0.53 |
|
June |
0.47 |
|
May |
0.98 |
|
April |
0.78 |
|
March |
0.50 |
|
February |
0.54 |
| 2003 |
January |
0.80 |
| 2002 |
December |
0.79 |
|
November |
0.75 |
|
October |
0.82 |
|
September |
0.60 |
|
August |
0.54 |
|
July |
0.36 |
|
June |
0.42 |
|
May |
0.08 |
|
April |
0.14 |
|
March |
0.60 |
|
February |
0.23 |
| 2002 |
January |
1.45 |
| 2001 |
December |
0.39 |
|
November |
0.36 |
|
October |
0.55 |
|
September |
0.35 |
|
August |
0.57 |
|
July |
0.67 |
|
June |
0.55 |
|
May |
0.18 |
|
April |
0.47 |
|
March |
0.93 |
|
February |
0.67 |
| 2001 |
January |
1.28 |
| 2000 |
December |
1.09 |
|
November |
0.94 |
|
October |
1.67 |
|
September |
1.42 |
|
August |
1.74 |
|
July |
1.25 |
|
June |
1.82 |
|
May |
1.87 |
|
April |
3.34 |
|
March |
2.94 |
|
February |
2.89 |
| 2000 |
January |
3.31 |
| 1999 |
December |
2.27 |
|
November |
2.31 |
|
October |
2.20 |
|
September |
2.05 |
|
August |
1.55 |
|
July |
2.76 |
|
June |
2.34 |
|
May |
2.32 |
|
April |
2.63 |
|
March |
4.70 |
|
February |
3.85 |
| 1999 |
January |
3.07 |
| 1998 |
December |
1.80 |
|
November |
2.79 |
|
October |
4.39 |
|
September |
3.03 |
|
August |
2.73 |
|
July |
3.40 |
|
June |
2.08 |
|
May |
1.82 |
|
April |
1.91 |
|
March |
2.62 |
|
February |
3.28 |
| 1998 |
January |
3.21 |
| 1997 |
December |
2.64 |
|
November |
3.22 |
|
October |
3.60 |
|
September |
7.78 |
|
August |
4.79 |
|
July |
4.62 |
|
June |
1.62 |
|
May |
1.85 |
|
April |
4.66 |
|
March |
0.42 |
|
February |
1.66 |
| 1997 |
January |
2.29 |
| 1996 |
December |
1.17 |
|
November |
1.23 |
|
October |
1.18 |
|
September |
1.60 |
|
August |
1.55 |
|
July |
1.09 |
|
June |
1.41 |
|
May |
1.50 |
|
April |
1.01 |
|
March |
0.63 |
|
February |
1.05 |
| 1996 |
January |
1.34 |
| 1995 |
December |
0.80 |
|
November |
0.73 |
|
October |
1.36 |
|
September |
2.26 |
|
August |
1.66 |
|
July |
1.74 |
|
June |
1.50 |
|
May |
1.37 |
|
April |
1.34 |
|
March |
1.44 |
|
February |
1.04 |
| 1995 |
January |
0.98 |
| 1994 |
December |
1.69 |
|
November |
1.92 |
|
October |
1.25 |
|
September |
0.77 |
|
August |
0.71 |
|
July |
3.01 |
|
June |
1.15 |
|
May |
0.30 |
|
April |
0.06 |
|
March |
4.24 |
|
February |
1.51 |
| 1994 |
January |
1.45 |
| 1993 |
December |
1.82 |
|
November |
0.19 |
|
October |
0.42 |
|
September |
0.49 |
|
August |
0.34 |
|
July |
0.88 |
|
June |
0.06 |
|
May |
0.00 |
|
April |
0.03 |
|
March |
0.00 |
|
February |
0.05 |
| 1993 |
January |
0.35 |
| 1992 |
December |
0.28 |
|
November |
0.38 |
|
October |
0.06 |
|
September |
0.00 |
|
August |
0.10 |
|
July |
0.08 |
|
June |
0.20 |
|
May |
0.47 |
|
April |
0.02 |
|
March |
0.15 |
|
February |
0.00 |
| 1992 |
January |
0.00 |
| 1991 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.01 |
|
September |
0.11 |
|
August |
0.22 |
|
July |
0.49 |
|
June |
0.70 |
|
May |
0.33 |
|
April |
1.83 |
|
March |
1.15 |
|
February |
0.68 |
| 1991 |
January |
1.01 |
| 1990 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.10 |
|
May |
0.40 |
|
April |
0.00 |
|
March |
0.29 |
|
February |
0.00 |
| 1990 |
January |
0.76 |
| 1989 |
December |
0.44 |
|
November |
0.52 |
|
October |
0.42 |
|
September |
0.47 |
|
August |
0.71 |
|
July |
3.89 |
|
June |
1.21 |
|
May |
0.84 |
|
April |
0.55 |
|
March |
2.47 |
|
February |
2.14 |
| 1989 |
January |
1.46 |
| 1988 |
December |
0.00 |
|
November |
0.79 |
|
October |
0.57 |
|
September |
0.00 |
|
August |
0.21 |
|
July |
0.60 |
|
June |
0.33 |
|
May |
1.56 |
|
April |
2.67 |
|
March |
3.78 |
|
February |
1.27 |
| 1988 |
January |
1.21 |
| 1987 |
December |
0.62 |
|
November |
0.91 |
|
October |
0.41 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1987 |
January |
0.00 |
| 1986 |
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 |
0.00 |
|
February |
0.00 |
| 1986 |
January |
0.00 |
| 1985 |
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 |
0.00 |
|
February |
0.00 |
| 1985 |
January |
0.00 |
| 1984 |
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 |
0.00 |
|
February |
0.00 |
| 1984 |
January |
0.00 |
| 1983 |
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 |
0.00 |
|
February |
0.00 |
| 1983 |
January |
0.00 |
| 1982 |
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 |
0.00 |
|
February |
0.00 |
| 1982 |
January |
0.00 |
|