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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,167 | 1,282 | 1,282 |
| 2006 | $17,640 | 929 | 929 |
| 2007 | $12,915 | 601 | 601 |
| 2008 | $126,732 | 5,535 | 5,535 |
| 2009 | $12,342 | 454 | 454 |
| 2010 | $280,288 | 12,696 | 12,696 |
| 2011 | $213,662 | 6,365 | 6,365 |
Note: Quantity represents Weight in kilograms
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