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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $44,482 | 14,537 | 14,537 |
| 2006 | $17,564 | 7,228 | 7,228 |
| 2007 | $15,283 | 2,872 | 2,872 |
| 2008 | $18,866 | 7,084 | 7,084 |
| 2009 | $37,761 | 10,184 | 10,184 |
| 2010 | $67,930 | 19,226 | 19,226 |
| 2011 | $99,243 | 16,604 | 16,604 |
Note: Quantity represents Weight in kilograms
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