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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $261,048,520 | 3,122,132 | 1,130,765,808 |
| 2006 | $295,997,073 | 3,159,212 | 1,282,150,036 |
| 2007 | $309,921,215 | 3,259,238 | 0 |
| 2008 | $248,790,267 | 2,161,624 | 0 |
| 2009 | $236,197,101 | 4,331,951 | 1,767,593,442 |
| 2010 | $307,494,653 | 88,983,613 | 0 |
| 2011 | $365,341,613 | 34,129,058 | 0 |
Note: Quantity represents Number of items
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