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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,355 | 342 | 342 |
| 2006 | $21,889 | 6,086 | 6,086 |
| 2007 | $48,075 | 12,640 | 12,640 |
| 2008 | $145,295 | 35,614 | 35,614 |
| 2009 | $100,631 | 24,187 | 24,187 |
| 2010 | $139,034 | 26,796 | 26,796 |
| 2011 | $55,507 | 11,098 | 11,098 |
Note: Quantity represents Weight in kilograms
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