| Date | Quantity (Ounces) | Quantity (tons) | Variation n-1 |
|
1/1/2010
|
21,495,989.18
|
668.60
|
27.67%
|
|
1/1/2009
|
16,837,345.99
|
523.70
|
30.44%
|
|
1/1/2006
|
12,908,524.76
|
401.50
|
3.77%
|
|
1/1/2005
|
12,439,123.86
|
386.90
|
-0.03%
|
|
1/1/2004
|
12,442,338.93
|
387.00
|
-0.82%
|
|
1/1/2003
|
12,545,221.32
|
390.20
|
0.64%
|
|
1/1/2002
|
12,464,844.46
|
387.70
|
-8.35%
|
|
1/1/2001
|
13,599,765.81
|
423.00
|
10.04%
|
|
1/1/2000
|
12,358,746.99
|
384.40
|
-7.26%
|
|
1/1/1999
|
13,326,484.47
|
414.50
|
-9.58%
|
|
1/1/1998
|
14,737,902.24
|
458.40
|
-9.57%
|
|
1/1/1997
|
16,297,213.45
|
506.90
|
20.81%
|
|
1/1/1996
|
13,490,453.27
|
419.60
|
43.31%
|
|
1/1/1995
|
9,413,738.60
|
292.80
|
11.84%
|
|
1/1/1994
|
8,417,065.46
|
261.80
|
-17.44%
|
|
1/1/1993
|
10,195,001.75
|
317.10
|
-49.35%
|
|
1/1/1935
|
20,126,367.37
|
626.00
|
66.93%
|
|
1/1/1930
|
12,056,529.98
|
375.00
|
165.39%
|
|
1/1/1925
|
4,542,900.49
|
141.30
|
-88.70%
|
|
1/1/1915
|
40,188,433.25
|
1,250.00
|
1.38%
|
|
|
|
