| Year |
Month |
Kilograms (x1000) |
| 2007 |
December |
8.22 |
|
November |
14.42 |
|
October |
8.11 |
|
September |
12.15 |
|
August |
9.50 |
|
July |
11.90 |
|
June |
14.19 |
|
May |
18.06 |
|
April |
20.20 |
|
March |
20.17 |
|
February |
8.74 |
| 2007 |
January |
6.61 |
| 2006 |
December |
8.33 |
|
November |
4.53 |
|
October |
7.31 |
|
September |
7.79 |
|
August |
16.18 |
|
July |
17.93 |
|
June |
19.02 |
|
May |
13.09 |
|
April |
15.91 |
|
March |
10.23 |
|
February |
6.02 |
| 2006 |
January |
4.39 |
| 2005 |
December |
7.56 |
|
November |
9.07 |
|
October |
9.46 |
|
September |
10.70 |
|
August |
12.86 |
|
July |
8.91 |
|
June |
15.04 |
|
May |
14.59 |
|
April |
8.11 |
|
March |
7.75 |
|
February |
6.43 |
| 2005 |
January |
6.55 |
| 2004 |
December |
7.02 |
|
November |
7.88 |
|
October |
10.55 |
|
September |
8.75 |
|
August |
14.06 |
|
July |
6.50 |
|
June |
10.62 |
|
May |
22.30 |
|
April |
21.20 |
|
March |
27.01 |
|
February |
14.76 |
| 2004 |
January |
15.90 |
| 2003 |
December |
15.86 |
|
November |
6.13 |
|
October |
8.63 |
|
September |
14.33 |
|
August |
23.31 |
|
July |
32.25 |
|
June |
27.93 |
|
May |
44.23 |
|
April |
41.67 |
|
March |
30.88 |
|
February |
17.22 |
| 2003 |
January |
18.89 |
| 2002 |
December |
14.69 |
|
November |
19.21 |
|
October |
3.14 |
|
September |
30.25 |
|
August |
37.82 |
|
July |
32.08 |
|
June |
46.98 |
|
May |
32.28 |
|
April |
41.22 |
|
March |
30.28 |
|
February |
19.70 |
| 2002 |
January |
25.00 |
| 2001 |
December |
30.70 |
|
November |
32.82 |
|
October |
24.45 |
|
September |
16.05 |
|
August |
34.60 |
|
July |
27.42 |
|
June |
40.50 |
|
May |
34.11 |
|
April |
27.56 |
|
March |
23.38 |
|
February |
14.58 |
| 2001 |
January |
18.27 |
| 2000 |
December |
23.22 |
|
November |
21.81 |
|
October |
32.12 |
|
September |
22.79 |
|
August |
37.38 |
|
July |
43.20 |
|
June |
35.02 |
|
May |
27.58 |
|
April |
18.70 |
|
March |
9.02 |
|
February |
10.56 |
| 2000 |
January |
13.91 |
| 1999 |
December |
9.70 |
|
November |
4.88 |
|
October |
7.12 |
|
September |
10.02 |
|
August |
0.67 |
|
July |
22.35 |
|
June |
36.22 |
|
May |
18.05 |
|
April |
22.08 |
|
March |
17.20 |
|
February |
8.09 |
| 1999 |
January |
2.13 |
| 1998 |
December |
4.38 |
|
November |
7.58 |
|
October |
6.80 |
|
September |
5.48 |
|
August |
4.65 |
|
July |
12.32 |
|
June |
3.09 |
|
May |
3.01 |
|
April |
3.28 |
|
March |
27.50 |
|
February |
8.65 |
| 1998 |
January |
5.03 |
| 1997 |
December |
1.29 |
|
November |
1.42 |
|
October |
6.11 |
|
September |
1.06 |
|
August |
11.65 |
|
July |
10.62 |
|
June |
1.72 |
|
May |
3.65 |
|
April |
1.32 |
|
March |
1.19 |
|
February |
0.00 |
| 1997 |
January |
0.60 |
| 1996 |
December |
1.21 |
|
November |
3.45 |
|
October |
0.00 |
|
September |
0.00 |
|
August |
2.22 |
|
July |
2.84 |
|
June |
2.38 |
|
May |
3.60 |
|
April |
20.14 |
|
March |
10.73 |
|
February |
0.32 |
| 1996 |
January |
2.58 |
| 1995 |
December |
2.83 |
|
November |
0.16 |
|
October |
4.85 |
|
September |
10.86 |
|
August |
30.86 |
|
July |
34.06 |
|
June |
37.93 |
|
May |
34.81 |
|
April |
19.99 |
|
March |
18.04 |
|
February |
5.75 |
| 1995 |
January |
7.37 |
| 1994 |
December |
11.22 |
|
November |
9.06 |
|
October |
9.64 |
|
September |
19.42 |
|
August |
13.17 |
|
July |
16.91 |
|
June |
21.12 |
|
May |
12.54 |
|
April |
20.68 |
|
March |
20.40 |
|
February |
21.00 |
| 1994 |
January |
11.78 |
| 1993 |
December |
12.94 |
|
November |
8.43 |
|
October |
12.60 |
|
September |
18.92 |
|
August |
21.24 |
|
July |
28.47 |
|
June |
20.32 |
|
May |
5.89 |
|
April |
11.39 |
|
March |
15.52 |
|
February |
5.10 |
| 1993 |
January |
3.51 |
| 1992 |
December |
6.44 |
|
November |
6.57 |
|
October |
6.14 |
|
September |
9.28 |
|
August |
17.09 |
|
July |
12.13 |
|
June |
14.26 |
|
May |
9.22 |
|
April |
11.82 |
|
March |
5.23 |
|
February |
4.65 |
| 1992 |
January |
9.41 |
| 1991 |
December |
7.71 |
|
November |
11.20 |
|
October |
15.45 |
|
September |
21.56 |
|
August |
23.02 |
|
July |
20.76 |
|
June |
20.15 |
|
May |
10.78 |
|
April |
20.83 |
|
March |
15.74 |
|
February |
12.02 |
| 1991 |
January |
3.77 |
| 1990 |
December |
4.54 |
|
November |
7.97 |
|
October |
8.01 |
|
September |
7.59 |
|
August |
12.00 |
|
July |
42.96 |
|
June |
13.17 |
|
May |
17.39 |
|
April |
16.20 |
|
March |
19.70 |
|
February |
14.06 |
| 1990 |
January |
17.54 |
| 1989 |
December |
24.31 |
|
November |
44.03 |
|
October |
2.98 |
|
September |
3.77 |
|
August |
8.97 |
|
July |
0.00 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1989 |
January |
0.00 |
|