| Date | Quantity (Ounces) | Quantity (tons) | Variation n-1 |
|
1/1/2010
|
9,002,209.05
|
280.00
|
0.00%
|
|
1/1/2009
|
9,002,209.05
|
280.00
|
-3.26%
|
|
1/1/2008
|
9,305,390.59
|
289.43
|
0.00%
|
|
1/1/2007
|
9,305,390.59
|
289.43
|
0.25%
|
|
1/1/2006
|
9,281,920.54
|
288.70
|
-4.56%
|
|
1/1/2005
|
9,725,600.85
|
302.50
|
-1.63%
|
|
1/1/2004
|
9,886,354.58
|
307.50
|
-3.15%
|
|
1/1/2003
|
10,207,862.05
|
317.50
|
0.00%
|
|
1/1/2002
|
10,207,862.05
|
317.50
|
-8.63%
|
|
1/1/2001
|
11,172,384.44
|
347.50
|
-7.95%
|
|
1/1/2000
|
12,136,906.84
|
377.50
|
-7.36%
|
|
1/1/1999
|
13,101,429.24
|
407.50
|
35.88%
|
|
1/1/1998
|
9,642,008.91
|
299.90
|
22.46%
|
|
1/1/1997
|
7,873,717.84
|
244.90
|
-26.74%
|
|
1/1/1996
|
10,747,994.59
|
334.30
|
-10.40%
|
|
1/1/1995
|
11,995,443.56
|
373.10
|
-34.60%
|
|
1/1/1994
|
18,342,000.94
|
570.50
|
-1.40%
|
|
1/1/1993
|
18,602,421.98
|
578.60
|
-6.68%
|
|
1/1/1992
|
19,933,462.89
|
620.00
|
-0.48%
|
|
1/1/1991
|
20,029,915.13
|
623.00
|
-1.78%
|
|
|
|
