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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $114,566 | 1,904 | 1,904 |
| 2006 | $131,428 | 2,656 | 2,656 |
| 2007 | $257,506 | 3,614 | 3,614 |
| 2008 | $231,700 | 2,652 | 2,652 |
| 2009 | $205,492 | 1,840 | 1,840 |
| 2010 | $149,007 | 1,813 | 1,813 |
| 2011 | $237,139 | 2,059 | 2,059 |
Note: Quantity represents Weight in kilograms
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