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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $607,179 | 42,439 | 42,439 |
| 2006 | $178,010 | 9,868 | 9,868 |
| 2007 | $133,121 | 5,735 | 5,735 |
| 2008 | $49,575 | 2,253 | 2,253 |
| 2009 | $228,618 | 10,627 | 10,627 |
| 2010 | $77,961 | 3,066 | 3,066 |
| 2011 | $70,018 | 3,314 | 3,314 |
Note: Quantity represents Weight in kilograms
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