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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,192 | 4,030 | 4,030 |
| 2006 | $18,031 | 7,293 | 7,293 |
| 2007 | $12,032 | 2,813 | 2,813 |
| 2008 | $33,769 | 24,345 | 24,345 |
| 2009 | $16,831 | 836 | 836 |
| 2010 | $21,526 | 17,789 | 17,789 |
| 2011 | $12,870 | 294 | 294 |
Note: Quantity represents Weight in kilograms
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