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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $31,953 | 4,720 | 4,720 |
| 2006 | $73,438 | 7,058 | 7,058 |
| 2007 | $125,996 | 13,101 | 13,101 |
| 2008 | $260,283 | 119,299 | 119,299 |
| 2009 | $746,794 | 436,146 | 436,146 |
| 2010 | $610,373 | 258,893 | 258,893 |
| 2011 | $404,682 | 61,466 | 61,466 |
Note: Quantity represents Weight in kilograms
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