| Year |
Month |
Kilograms (x1000) |
| 2007 |
December |
17.78 |
|
November |
15.49 |
|
October |
17.36 |
|
September |
12.39 |
|
August |
13.66 |
|
July |
9.82 |
|
June |
17.18 |
|
May |
18.94 |
|
April |
22.64 |
|
March |
23.67 |
|
February |
6.41 |
| 2007 |
January |
4.29 |
| 2006 |
December |
9.75 |
|
November |
10.08 |
|
October |
11.07 |
|
September |
10.80 |
|
August |
8.92 |
|
July |
17.71 |
|
June |
26.25 |
|
May |
16.62 |
|
April |
23.53 |
|
March |
21.71 |
|
February |
13.16 |
| 2006 |
January |
7.82 |
| 2005 |
December |
13.18 |
|
November |
17.48 |
|
October |
12.27 |
|
September |
15.84 |
|
August |
17.42 |
|
July |
15.03 |
|
June |
21.36 |
|
May |
21.40 |
|
April |
20.53 |
|
March |
15.92 |
|
February |
9.94 |
| 2005 |
January |
7.53 |
| 2004 |
December |
10.81 |
|
November |
12.35 |
|
October |
11.16 |
|
September |
10.38 |
|
August |
13.14 |
|
July |
15.28 |
|
June |
18.17 |
|
May |
23.20 |
|
April |
27.70 |
|
March |
26.40 |
|
February |
18.61 |
| 2004 |
January |
12.08 |
| 2003 |
December |
20.48 |
|
November |
9.65 |
|
October |
10.91 |
|
September |
8.23 |
|
August |
20.44 |
|
July |
17.46 |
|
June |
26.41 |
|
May |
20.96 |
|
April |
37.59 |
|
March |
26.39 |
|
February |
16.79 |
| 2003 |
January |
5.20 |
| 2002 |
December |
7.53 |
|
November |
10.85 |
|
October |
6.19 |
|
September |
20.70 |
|
August |
15.28 |
|
July |
13.59 |
|
June |
17.09 |
|
May |
19.31 |
|
April |
19.34 |
|
March |
18.25 |
|
February |
16.82 |
| 2002 |
January |
13.44 |
| 2001 |
December |
20.36 |
|
November |
19.28 |
|
October |
16.16 |
|
September |
24.89 |
|
August |
35.31 |
|
July |
19.90 |
|
June |
37.49 |
|
May |
37.03 |
|
April |
48.37 |
|
March |
30.39 |
|
February |
16.28 |
| 2001 |
January |
28.12 |
| 2000 |
December |
27.97 |
|
November |
30.45 |
|
October |
36.58 |
|
September |
31.08 |
|
August |
40.44 |
|
July |
46.24 |
|
June |
28.53 |
|
May |
25.84 |
|
April |
30.77 |
|
March |
36.03 |
|
February |
26.72 |
| 2000 |
January |
24.59 |
| 1999 |
December |
33.39 |
|
November |
26.79 |
|
October |
41.78 |
|
September |
39.65 |
|
August |
44.42 |
|
July |
53.10 |
|
June |
42.90 |
|
May |
59.24 |
|
April |
57.32 |
|
March |
39.11 |
|
February |
23.05 |
| 1999 |
January |
25.77 |
| 1998 |
December |
44.62 |
|
November |
42.77 |
|
October |
95.64 |
|
September |
62.61 |
|
August |
80.10 |
|
July |
56.67 |
|
June |
45.06 |
|
May |
38.25 |
|
April |
34.99 |
|
March |
29.86 |
|
February |
20.00 |
| 1998 |
January |
10.75 |
| 1997 |
December |
7.44 |
|
November |
7.14 |
|
October |
14.58 |
|
September |
14.01 |
|
August |
34.67 |
|
July |
8.21 |
|
June |
13.70 |
|
May |
8.37 |
|
April |
12.29 |
|
March |
16.57 |
|
February |
16.81 |
| 1997 |
January |
16.84 |
| 1996 |
December |
19.53 |
|
November |
22.56 |
|
October |
33.14 |
|
September |
38.49 |
|
August |
66.14 |
|
July |
86.11 |
|
June |
48.51 |
|
May |
43.87 |
|
April |
33.39 |
|
March |
31.96 |
|
February |
22.19 |
| 1996 |
January |
15.55 |
| 1995 |
December |
19.04 |
|
November |
20.77 |
|
October |
39.39 |
|
September |
31.90 |
|
August |
73.53 |
|
July |
100.46 |
|
June |
85.90 |
|
May |
71.03 |
|
April |
42.96 |
|
March |
30.05 |
|
February |
16.31 |
| 1995 |
January |
29.88 |
| 1994 |
December |
17.23 |
|
November |
9.63 |
|
October |
19.36 |
|
September |
32.35 |
|
August |
17.16 |
|
July |
36.77 |
|
June |
22.60 |
|
May |
32.47 |
|
April |
38.86 |
|
March |
19.70 |
|
February |
11.46 |
| 1994 |
January |
11.91 |
| 1993 |
December |
7.70 |
|
November |
13.08 |
|
October |
14.79 |
|
September |
21.36 |
|
August |
20.45 |
|
July |
12.61 |
|
June |
11.11 |
|
May |
14.31 |
|
April |
32.99 |
|
March |
25.97 |
|
February |
28.40 |
| 1993 |
January |
11.59 |
| 1992 |
December |
18.52 |
|
November |
15.70 |
|
October |
16.86 |
|
September |
5.02 |
|
August |
13.67 |
|
July |
12.95 |
|
June |
15.99 |
|
May |
16.40 |
|
April |
18.10 |
|
March |
8.50 |
|
February |
11.67 |
| 1992 |
January |
3.49 |
| 1991 |
December |
6.85 |
|
November |
3.54 |
|
October |
9.84 |
|
September |
11.18 |
|
August |
10.92 |
|
July |
16.79 |
|
June |
17.57 |
|
May |
27.01 |
|
April |
32.99 |
|
March |
19.71 |
|
February |
16.65 |
| 1991 |
January |
9.46 |
| 1990 |
December |
12.91 |
|
November |
7.93 |
|
October |
6.29 |
|
September |
3.01 |
|
August |
5.74 |
|
July |
36.73 |
|
June |
16.43 |
|
May |
18.96 |
|
April |
23.13 |
|
March |
23.68 |
|
February |
9.25 |
| 1990 |
January |
7.65 |
| 1989 |
December |
3.98 |
|
November |
4.40 |
|
October |
0.54 |
|
September |
1.23 |
|
August |
5.69 |
|
July |
0.76 |
|
June |
0.00 |
|
May |
0.00 |
|
April |
0.00 |
|
March |
0.00 |
|
February |
0.00 |
| 1989 |
January |
0.00 |
|