| Date | Quantity (Ounces) | Quantity (tons) | Variation n-1 |
|
1/1/2010
|
19,692,332.29
|
612.50
|
0.00%
|
|
1/1/2009
|
19,692,332.29
|
612.50
|
-3.25%
|
|
1/1/2008
|
20,354,637.67
|
633.10
|
885.52%
|
|
1/1/2007
|
2,065,363.96
|
64.24
|
-89.98%
|
|
1/1/2006
|
20,605,413.50
|
640.90
|
-7.77%
|
|
1/1/2005
|
22,341,553.81
|
694.90
|
-10.62%
|
|
1/1/2004
|
24,997,205.48
|
777.50
|
0.00%
|
|
1/1/2003
|
24,997,205.48
|
777.50
|
-8.71%
|
|
1/1/2002
|
27,382,790.88
|
851.70
|
-3.71%
|
|
1/1/2001
|
28,437,335.37
|
884.50
|
-2.99%
|
|
1/1/2000
|
29,315,050.75
|
911.80
|
-7.15%
|
|
1/1/1999
|
31,572,033.16
|
982.00
|
-6.68%
|
|
1/1/1998
|
33,832,230.65
|
1,052.30
|
24.99%
|
|
1/1/1997
|
27,067,713.56
|
841.90
|
-22.15%
|
|
1/1/1996
|
34,771,032.45
|
1,081.50
|
0.00%
|
|
1/1/1995
|
34,771,032.45
|
1,081.50
|
0.00%
|
|
1/1/1994
|
34,771,032.45
|
1,081.50
|
-0.79%
|
|
1/1/1993
|
35,047,528.87
|
1,090.10
|
-20.24%
|
|
1/1/1992
|
43,940,425.38
|
1,366.70
|
0.00%
|
|
1/1/1991
|
43,940,425.38
|
1,366.70
|
0.00%
|
|
|
|
