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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $70,782 | 6,916 | 6,916 |
| 2006 | $157,159 | 67,535 | 67,535 |
| 2007 | $62,951 | 19,883 | 19,883 |
| 2008 | $4,950 | 512 | 512 |
| 2009 | $37,664 | 3,529 | 3,529 |
| 2010 | $173,937 | 31,003 | 31,003 |
| 2011 | $733,300 | 70,112 | 70,112 |
Note: Quantity represents Weight in kilograms
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