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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $84,840 | 2,077 | 2,077 |
| 2006 | $68,769 | 946 | 946 |
| 2007 | $64,682 | 1,468 | 1,468 |
| 2008 | $129,442 | 3,407 | 3,407 |
| 2009 | $143,633 | 17,661 | 17,661 |
| 2010 | $236,622 | 35,516 | 35,516 |
| 2011 | $181,517 | 4,762 | 4,762 |
Note: Quantity represents Weight in kilograms
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