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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $279 | 930 | 930 |
| 2006 | $226 | 618 | 618 |
| 2007 | $24,417 | 74,535 | 74,535 |
| 2008 | $29,859 | 460,940 | 460,940 |
| 2009 | $335,983 | 836,621 | 836,621 |
| 2010 | $150,216 | 457,384 | 457,384 |
| 2011 | $164,278 | 516,449 | 516,449 |
Note: Quantity represents Weight in kilograms
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