|
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,229,064,063 | 0 | 0 |
| 2006 | $7,434,666,156 | 0 | 21,514,823 |
| 2007 | $8,912,566,103 | 0 | 0 |
| 2008 | $10,964,905,924 | 0 | 26,245,934 |
| 2009 | $9,731,832,824 | 0 | 24,609,107 |
| 2010 | $13,525,253,208 | 0 | 28,751,900 |
| 2011 | $17,204,029,756 | 0 | 26,247,071 |
Note: Quantity represents No Quantity
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