| Date | Quantity (Ounces) | Quantity (tons) | Variation n-1 |
|
1/1/2010
|
1,080,265.09
|
33.60
|
0.00%
|
|
1/1/2009
|
1,080,265.09
|
33.60
|
0.00%
|
|
1/1/2006
|
1,080,265.09
|
33.60
|
0.00%
|
|
1/1/2005
|
1,080,265.09
|
33.60
|
0.00%
|
|
1/1/2004
|
1,080,265.09
|
33.60
|
0.00%
|
|
1/1/2003
|
1,080,265.09
|
33.60
|
0.00%
|
|
1/1/2002
|
1,080,265.09
|
33.60
|
-1.47%
|
|
1/1/2001
|
1,096,340.46
|
34.10
|
-48.25%
|
|
1/1/2000
|
2,118,734.20
|
65.90
|
-42.14%
|
|
1/1/1999
|
3,661,970.04
|
113.90
|
-20.29%
|
|
1/1/1998
|
4,594,341.69
|
142.90
|
51.70%
|
|
1/1/1997
|
3,028,600.33
|
94.20
|
-17.94%
|
|
1/1/1996
|
3,690,905.71
|
114.80
|
-19.33%
|
|
1/1/1995
|
4,575,051.24
|
142.30
|
23.31%
|
|
1/1/1994
|
3,710,196.16
|
115.40
|
26.81%
|
|
1/1/1993
|
2,925,717.94
|
91.00
|
31.12%
|
|
1/1/1992
|
2,231,261.81
|
69.40
|
10.16%
|
|
1/1/1991
|
2,025,497.04
|
63.00
|
-55.67%
|
|
1/1/1990
|
4,568,621.09
|
142.10
|
53.46%
|
|
1/1/1989
|
2,977,159.14
|
92.60
|
9.20%
|
|
|
|
