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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,418 | 1,512 | 1,512 |
| 2006 | $31,807 | 8,243 | 8,243 |
| 2007 | $34,965 | 869 | 869 |
| 2008 | $59,548 | 1,616 | 1,616 |
| 2009 | $45,900 | 3,464 | 3,464 |
| 2010 | $106,958 | 8,689 | 8,689 |
| 2011 | $99,173 | 17,186 | 17,186 |
Note: Quantity represents Weight in kilograms
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