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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,214,404 | 13,573,742 | 13,573,742 |
| 2006 | $2,090,123 | 218,431,251 | 218,431,251 |
| 2007 | $3,480,393 | 533,746,184 | 533,746,184 |
| 2008 | $4,246,458 | 1,391,369,456 | 1,391,369,456 |
| 2009 | $2,874,965 | 15,652,135 | 15,652,135 |
| 2010 | $2,619,673 | 17,910,791 | 17,910,791 |
| 2011 | $3,443,189 | 22,996,789 | 22,996,789 |
Note: Quantity represents Weight in kilograms
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