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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,616 | 34,474 | 34,474 |
| 2006 | $19,746 | 16,361 | 16,361 |
| 2007 | $27,590 | 23,780 | 23,780 |
| 2008 | $3,701 | 1,630 | 1,630 |
| 2009 | $31,640 | 29,192 | 29,192 |
| 2010 | $107,961 | 120,118 | 120,118 |
| 2011 | $54,053 | 39,200 | 39,200 |
Note: Quantity represents Weight in kilograms
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