| Date | Quantity (Ounces) | Quantity (tons) | Variation n-1 |
|
1/1/2010
|
1,282,814.79
|
39.90
|
0.00%
|
|
1/1/2009
|
1,282,814.79
|
39.90
|
0.25%
|
|
1/1/2006
|
1,279,599.71
|
39.80
|
0.00%
|
|
1/1/2005
|
1,279,599.71
|
39.80
|
0.00%
|
|
1/1/2004
|
1,279,599.71
|
39.80
|
-0.25%
|
|
1/1/2003
|
1,282,814.79
|
39.90
|
0.00%
|
|
1/1/2002
|
1,282,814.79
|
39.90
|
-0.25%
|
|
1/1/2001
|
1,286,029.86
|
40.00
|
0.25%
|
|
1/1/2000
|
1,282,814.79
|
39.90
|
0.00%
|
|
1/1/1999
|
1,282,814.79
|
39.90
|
-0.75%
|
|
1/1/1998
|
1,292,460.01
|
40.20
|
0.25%
|
|
1/1/1997
|
1,289,244.94
|
40.10
|
24.92%
|
|
1/1/1996
|
1,032,038.97
|
32.10
|
0.00%
|
|
1/1/1995
|
1,032,038.97
|
32.10
|
0.00%
|
|
1/1/1994
|
1,032,038.97
|
32.10
|
1.58%
|
|
1/1/1993
|
1,015,963.59
|
31.60
|
0.00%
|
|
1/1/1992
|
1,015,963.59
|
31.60
|
0.00%
|
|
1/1/1991
|
1,015,963.59
|
31.60
|
44.95%
|
|
1/1/1940
|
700,886.28
|
21.80
|
28.24%
|
|
1/1/1935
|
546,562.69
|
17.00
|
13.33%
|
|
|
|
