Date | Quantity (Ounces) | Quantity (tons) | Variation n-1 |
1/1/2010
|
411,529.56
|
12.80
|
-13.51%
|
1/1/2009
|
475,831.05
|
14.80
|
16.54%
|
1/1/2006
|
408,314.48
|
12.70
|
-0.78%
|
1/1/2005
|
411,529.56
|
12.80
|
0.00%
|
1/1/2004
|
411,529.56
|
12.80
|
0.00%
|
1/1/2003
|
411,529.56
|
12.80
|
0.00%
|
1/1/2002
|
411,529.56
|
12.80
|
1.59%
|
1/1/2001
|
405,099.41
|
12.60
|
0.80%
|
1/1/2000
|
401,884.33
|
12.50
|
-17.22%
|
1/1/1999
|
485,476.27
|
15.10
|
-41.25%
|
1/1/1998
|
826,274.19
|
25.70
|
1.58%
|
1/1/1997
|
813,413.89
|
25.30
|
1.61%
|
1/1/1996
|
800,553.59
|
24.90
|
0.81%
|
1/1/1995
|
794,123.44
|
24.70
|
0.00%
|
1/1/1994
|
794,123.44
|
24.70
|
0.41%
|
1/1/1993
|
790,908.37
|
24.60
|
0.41%
|
1/1/1992
|
787,693.29
|
24.50
|
0.00%
|
1/1/1991
|
787,693.29
|
24.50
|
4.70%
|
1/1/1990
|
752,327.47
|
23.40
|
0.43%
|
1/1/1989
|
749,112.40
|
23.30
|
0.87%
|
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