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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,283,052 | 1,533,791 | 1,533,791 |
| 2006 | $8,697,814 | 1,458,286 | 1,458,286 |
| 2007 | $8,461,288 | 1,198,558 | 1,198,558 |
| 2008 | $1,073,676,824 | 18,962,131 | 18,962,131 |
| 2009 | $138,366,841 | 4,219,417 | 4,219,417 |
| 2010 | $98,998,838 | 5,195,753 | 5,195,753 |
| 2011 | $165,044,691 | 8,670,140 | 8,670,140 |
Note: Quantity represents Weight in kilograms
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