| Date | Quantity (Ounces) | Quantity (tons) | Variation n-1 |
|
1/1/2010
|
4,009,198.10
|
124.70
|
0.00%
|
|
1/1/2009
|
4,009,198.10
|
124.70
|
0.48%
|
|
1/1/2006
|
3,989,907.65
|
124.10
|
0.08%
|
|
1/1/2005
|
3,986,692.58
|
124.00
|
0.08%
|
|
1/1/2004
|
3,983,477.50
|
123.90
|
0.24%
|
|
1/1/2003
|
3,973,832.28
|
123.60
|
-28.80%
|
|
1/1/2002
|
5,581,369.61
|
173.60
|
-2.42%
|
|
1/1/2001
|
5,719,617.82
|
177.90
|
-3.05%
|
|
1/1/2000
|
5,899,662.00
|
183.50
|
49.80%
|
|
1/1/1999
|
3,938,466.46
|
122.50
|
-1.53%
|
|
1/1/1998
|
3,999,552.88
|
124.40
|
0.24%
|
|
1/1/1997
|
3,989,907.65
|
124.10
|
5.26%
|
|
1/1/1996
|
3,790,573.02
|
117.90
|
-10.82%
|
|
1/1/1995
|
4,250,328.70
|
132.20
|
1.23%
|
|
1/1/1994
|
4,198,887.51
|
130.60
|
-11.82%
|
|
1/1/1993
|
4,761,525.57
|
148.10
|
-28.38%
|
|
1/1/1992
|
6,648,774.40
|
206.80
|
2.78%
|
|
1/1/1991
|
6,468,730.22
|
201.20
|
58.18%
|
|
1/1/1990
|
4,089,574.97
|
127.20
|
32.78%
|
|
1/1/1989
|
3,080,041.52
|
95.80
|
-11.21%
|
|
|
|
