| 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 |
0.18 |
|
April |
0.05 |
|
March |
0.17 |
|
February |
0.22 |
| 2008 |
January |
0.52 |
| 2007 |
December |
0.05 |
|
November |
0.08 |
|
October |
0.20 |
|
September |
0.18 |
|
August |
0.18 |
|
July |
0.20 |
|
June |
0.19 |
|
May |
0.22 |
|
April |
0.15 |
|
March |
0.21 |
|
February |
0.84 |
| 2007 |
January |
0.05 |
| 2006 |
December |
0.29 |
|
November |
0.11 |
|
October |
0.05 |
|
September |
0.01 |
|
August |
0.11 |
|
July |
0.26 |
|
June |
0.61 |
|
May |
1.10 |
|
April |
0.74 |
|
March |
0.67 |
|
February |
1.14 |
| 2006 |
January |
0.34 |
| 2005 |
December |
0.89 |
|
November |
0.82 |
|
October |
0.22 |
|
September |
0.23 |
|
August |
0.34 |
|
July |
0.43 |
|
June |
0.22 |
|
May |
0.18 |
|
April |
0.01 |
|
March |
0.00 |
|
February |
0.00 |
| 2005 |
January |
0.00 |
| 2004 |
December |
0.04 |
|
November |
0.02 |
|
October |
0.05 |
|
September |
0.03 |
|
August |
0.04 |
|
July |
0.01 |
|
June |
0.01 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.19 |
|
February |
0.08 |
| 2004 |
January |
0.04 |
| 2003 |
December |
0.02 |
|
November |
0.02 |
|
October |
0.02 |
|
September |
0.31 |
|
August |
0.18 |
|
July |
0.14 |
|
June |
0.05 |
|
May |
0.00 |
|
April |
0.14 |
|
March |
0.12 |
|
February |
0.14 |
| 2003 |
January |
0.09 |
| 2002 |
December |
0.01 |
|
November |
0.07 |
|
October |
0.02 |
|
September |
0.08 |
|
August |
0.00 |
|
July |
0.13 |
|
June |
0.09 |
|
May |
0.05 |
|
April |
0.10 |
|
March |
0.11 |
|
February |
0.13 |
| 2002 |
January |
0.16 |
| 2001 |
December |
0.05 |
|
November |
0.12 |
|
October |
0.28 |
|
September |
0.32 |
|
August |
0.25 |
|
July |
0.30 |
|
June |
0.03 |
|
May |
0.03 |
|
April |
0.11 |
|
March |
0.07 |
|
February |
0.05 |
| 2001 |
January |
0.04 |
| 2000 |
December |
0.08 |
|
November |
0.03 |
|
October |
0.09 |
|
September |
0.07 |
|
August |
0.15 |
|
July |
0.09 |
|
June |
0.21 |
|
May |
0.11 |
|
April |
0.19 |
|
March |
0.16 |
|
February |
0.19 |
| 2000 |
January |
0.27 |
| 1999 |
December |
0.14 |
|
November |
0.20 |
|
October |
0.54 |
|
September |
0.59 |
|
August |
0.06 |
|
July |
0.15 |
|
June |
0.61 |
|
May |
0.31 |
|
April |
0.21 |
|
March |
0.49 |
|
February |
0.21 |
| 1999 |
January |
0.33 |
| 1998 |
December |
0.27 |
|
November |
0.38 |
|
October |
0.19 |
|
September |
0.32 |
|
August |
0.47 |
|
July |
1.50 |
|
June |
0.48 |
|
May |
0.48 |
|
April |
0.19 |
|
March |
0.19 |
|
February |
0.25 |
| 1998 |
January |
0.29 |
| 1997 |
December |
0.48 |
|
November |
0.58 |
|
October |
0.63 |
|
September |
1.37 |
|
August |
0.53 |
|
July |
0.24 |
|
June |
0.62 |
|
May |
0.45 |
|
April |
0.34 |
|
March |
0.40 |
|
February |
0.66 |
| 1997 |
January |
0.42 |
| 1996 |
December |
0.16 |
|
November |
0.28 |
|
October |
0.28 |
|
September |
0.08 |
|
August |
0.29 |
|
July |
0.14 |
|
June |
0.10 |
|
May |
0.18 |
|
April |
0.13 |
|
March |
0.38 |
|
February |
0.22 |
| 1996 |
January |
0.41 |
| 1995 |
December |
0.11 |
|
November |
0.19 |
|
October |
0.12 |
|
September |
0.24 |
|
August |
0.32 |
|
July |
0.72 |
|
June |
0.37 |
|
May |
0.32 |
|
April |
0.20 |
|
March |
0.14 |
|
February |
0.52 |
| 1995 |
January |
0.07 |
| 1994 |
December |
0.21 |
|
November |
0.32 |
|
October |
0.38 |
|
September |
0.35 |
|
August |
0.20 |
|
July |
0.35 |
|
June |
0.21 |
|
May |
0.07 |
|
April |
0.03 |
|
March |
0.46 |
|
February |
0.13 |
| 1994 |
January |
0.31 |
| 1993 |
December |
0.49 |
|
November |
0.03 |
|
October |
0.03 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.08 |
|
June |
0.11 |
|
May |
0.00 |
|
April |
0.03 |
|
March |
0.00 |
|
February |
0.01 |
| 1993 |
January |
0.02 |
| 1992 |
December |
0.01 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.03 |
|
August |
0.00 |
|
July |
0.04 |
|
June |
0.08 |
|
May |
0.15 |
|
April |
0.00 |
|
March |
0.17 |
|
February |
0.00 |
| 1992 |
January |
0.00 |
| 1991 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.06 |
|
September |
0.05 |
|
August |
0.33 |
|
July |
0.13 |
|
June |
0.27 |
|
May |
0.02 |
|
April |
0.11 |
|
March |
0.06 |
|
February |
0.16 |
| 1991 |
January |
0.15 |
| 1990 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.09 |
|
May |
0.29 |
|
April |
0.00 |
|
March |
0.05 |
|
February |
0.00 |
| 1990 |
January |
0.15 |
| 1989 |
December |
0.11 |
|
November |
0.00 |
|
October |
0.05 |
|
September |
0.08 |
|
August |
0.17 |
|
July |
0.97 |
|
June |
0.40 |
|
May |
0.12 |
|
April |
0.12 |
|
March |
0.55 |
|
February |
0.71 |
| 1989 |
January |
0.45 |
| 1988 |
December |
0.00 |
|
November |
0.17 |
|
October |
0.17 |
|
September |
0.00 |
|
August |
0.03 |
|
July |
0.06 |
|
June |
0.06 |
|
May |
0.24 |
|
April |
1.30 |
|
March |
0.61 |
|
February |
2.13 |
| 1988 |
January |
1.35 |
| 1987 |
December |
0.31 |
|
November |
0.24 |
|
October |
0.54 |
|
September |
0.15 |
|
August |
0.14 |
|
July |
0.04 |
|
June |
0.65 |
|
May |
0.49 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1987 |
January |
0.05 |
| 1986 |
December |
0.02 |
|
November |
0.09 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.09 |
|
April |
0.27 |
|
March |
0.60 |
|
February |
0.53 |
| 1986 |
January |
0.43 |
| 1985 |
December |
1.09 |
|
November |
0.29 |
|
October |
0.27 |
|
September |
0.33 |
|
August |
0.05 |
|
July |
0.13 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1985 |
January |
0.03 |
| 1984 |
December |
0.00 |
|
November |
0.00 |
|
October |
0.00 |
|
September |
0.18 |
|
August |
0.62 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1984 |
January |
0.00 |
| 1983 |
December |
0.01 |
|
November |
0.10 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
0.00 |
|
July |
0.08 |
|
June |
0.48 |
|
May |
0.28 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1983 |
January |
0.00 |
| 1982 |
December |
0.03 |
|
November |
0.07 |
|
October |
0.11 |
|
September |
0.27 |
|
August |
0.37 |
|
July |
0.27 |
|
June |
0.63 |
|
May |
1.17 |
|
April |
0.31 |
|
March |
0.40 |
|
February |
0.30 |
| 1982 |
January |
0.28 |
|