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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,869 | 381 | 381 |
| 2006 | $4,326 | 605 | 605 |
| 2007 | $27,729 | 44,802 | 44,802 |
| 2008 | $131,540 | 164,390 | 164,390 |
| 2009 | $144,951 | 172,657 | 172,657 |
| 2010 | $138,771 | 138,387 | 138,387 |
| 2011 | $69,411 | 76,898 | 76,898 |
Note: Quantity represents Weight in kilograms
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