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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,880 | 480 | 480 |
| 2006 | $36,949 | 1,765 | 1,765 |
| 2007 | $34,715 | 1,537 | 1,537 |
| 2008 | $50,368 | 3,133 | 3,133 |
| 2009 | $76,754 | 9,519 | 9,519 |
| 2010 | $63,041 | 3,230 | 3,230 |
| 2011 | $59,703 | 4,192 | 4,192 |
Note: Quantity represents Weight in kilograms
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