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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $928,203 | 261,129 | 261,129 |
| 2006 | $212,578 | 364,303 | 364,303 |
| 2007 | $544,504 | 127,994 | 127,994 |
| 2008 | $202,827 | 129,480 | 129,480 |
| 2009 | $182,962 | 33,481 | 33,481 |
| 2010 | $694,374 | 4,078,159 | 4,078,159 |
| 2011 | $2,192,836 | 11,976,587 | 11,976,587 |
Note: Quantity represents Weight in kilograms
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