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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,015 | 435 | 435 |
| 2006 | $11,587 | 630 | 630 |
| 2007 | $11,378 | 1,993 | 1,993 |
| 2008 | $89,543 | 7,454 | 7,454 |
| 2009 | $126,988 | 13,310 | 13,310 |
| 2010 | $293,726 | 86,883 | 86,883 |
| 2011 | $48,378 | 16,359 | 16,359 |
Note: Quantity represents Weight in kilograms
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