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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $367 | 840 | 840 |
| 2006 | $2,778 | 750 | 750 |
| 2007 | $27,351 | 4,888 | 4,888 |
| 2008 | $60,471 | 14,603 | 14,603 |
| 2009 | $120,874 | 29,869 | 29,869 |
| 2010 | $133,454 | 13,133 | 13,133 |
| 2011 | $26,456 | 6,494 | 6,494 |
Note: Quantity represents Weight in kilograms
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