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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,269 | 12,872 | 12,872 |
| 2006 | $10,790 | 7,922 | 7,922 |
| 2007 | $10,670 | 6,093 | 6,093 |
| 2008 | $18,914 | 9,304 | 9,304 |
| 2009 | $14,471 | 11,798 | 11,798 |
| 2010 | $28,239 | 18,283 | 18,283 |
| 2011 | $35,542 | 13,332 | 13,332 |
Note: Quantity represents Weight in kilograms
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