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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,980 | 2,227 | 2,227 |
| 2006 | $55,200 | 13,608 | 13,608 |
| 2007 | $36,389 | 2,791 | 2,791 |
| 2008 | $87,522 | 4,814 | 4,814 |
| 2009 | $172,904 | 29,106 | 29,106 |
| 2010 | $240,685 | 119,467 | 119,467 |
| 2011 | $382,660 | 149,226 | 149,226 |
Note: Quantity represents Weight in kilograms
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