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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $44,701 | 35,358 | 35,358 |
| 2006 | $33,143 | 26,216 | 26,216 |
| 2007 | $14,652 | 9,471 | 9,471 |
| 2008 | $48,538 | 27,892 | 27,892 |
| 2009 | $135,422 | 74,791 | 74,791 |
| 2010 | $34,652 | 26,951 | 26,951 |
| 2011 | $15,000 | 3,785 | 3,785 |
Note: Quantity represents Weight in kilograms
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