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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $76,061 | 19,529 | 19,529 |
| 2006 | $64,326 | 15,324 | 15,324 |
| 2007 | $87,117 | 16,047 | 16,047 |
| 2008 | $129,712 | 16,960 | 16,960 |
| 2009 | $425,806 | 64,713 | 64,713 |
| 2010 | $591,196 | 91,192 | 91,192 |
| 2011 | $594,095 | 84,063 | 84,063 |
Note: Quantity represents Weight in kilograms
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