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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,147 | 2,368 | 2,368 |
| 2006 | $37,867 | 4,072 | 4,072 |
| 2007 | $36,614 | 3,138 | 3,138 |
| 2008 | $99,061 | 14,281 | 14,281 |
| 2009 | $53,246 | 54,780 | 54,780 |
| 2010 | $239,909 | 112,600 | 112,600 |
| 2011 | $237,675 | 21,603 | 21,603 |
Note: Quantity represents Weight in kilograms
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