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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $54,011 | 3,746 | 3,746 |
| 2006 | $40,621 | 2,529 | 2,529 |
| 2007 | $42,768 | 2,335 | 2,335 |
| 2008 | $37,521 | 1,798 | 1,798 |
| 2009 | $32,563 | 1,597 | 1,597 |
| 2010 | $41,889 | 2,606 | 2,606 |
| 2011 | $21,489 | 1,677 | 1,677 |
Note: Quantity represents Weight in kilograms
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