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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,798 | 7,332 | 354 |
| 2006 | $4,500 | 5,440 | 286 |
| 2007 | $6,730 | 5,562 | 449 |
| 2008 | $106,224 | 24,204 | 11,038 |
| 2009 | $35,627 | 21,629 | 3,253 |
| 2010 | $184,473 | 373,111 | 9,222 |
| 2011 | $163,145 | 310,530 | 7,645 |
Note: Quantity represents Number of items
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