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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,853 | 1,838 | 1,838 |
| 2006 | $4,362 | 1,021 | 1,021 |
| 2007 | $51,723 | 13,256 | 13,256 |
| 2008 | $32,647 | 7,859 | 7,859 |
| 2009 | $28,156 | 6,063 | 6,063 |
| 2010 | $58,909 | 12,385 | 12,385 |
| 2011 | $38,000 | 172,481 | 172,481 |
Note: Quantity represents Weight in kilograms
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