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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,546 | 5,414 | 5,414 |
| 2006 | $29,647,165 | 19,945,701 | 19,945,701 |
| 2007 | $37,022,979 | 23,791,855 | 23,791,855 |
| 2008 | $230,000,747 | 149,331,392 | 149,331,392 |
| 2009 | $75,279,600 | 29,878,526 | 29,878,526 |
| 2010 | $78,009,842 | 49,867,297 | 49,867,297 |
| 2011 | $123,186,673 | 76,825,464 | 76,825,464 |
Note: Quantity represents Weight in kilograms
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