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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,044 | 2,092 | 2,092 |
| 2006 | $3,374 | 676 | 676 |
| 2007 | $1,769 | 1,107 | 1,107 |
| 2008 | $874 | 1,177 | 1,177 |
| 2009 | $18,404 | 2,465 | 2,465 |
| 2010 | $68,915 | 7,813 | 7,813 |
| 2011 | $158,937 | 17,517 | 17,517 |
Note: Quantity represents Weight in kilograms
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