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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,442,652 | 1,235,238,717 | 1,235,238,717 |
| 2006 | $13,761,279 | 396,175,442 | 396,175,442 |
| 2007 | $21,177,798 | 326,446,324 | 326,446,324 |
| 2008 | $32,087,304 | 953,958,234 | 953,958,234 |
| 2009 | $13,048,418 | 259,337,028 | 259,337,028 |
| 2010 | $9,240,307 | 166,699,796 | 166,699,796 |
| 2011 | $9,387,740 | 162,991,788 | 162,991,788 |
Note: Quantity represents Weight in kilograms
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