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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $136,050 | 19,081 | 19,081 |
| 2006 | $109,144 | 27,145 | 27,145 |
| 2007 | $386,239 | 34,643 | 34,643 |
| 2008 | $481,625 | 61,338 | 61,338 |
| 2009 | $754,019 | 202,801 | 202,801 |
| 2011 | $653,563 | 361,687 | 361,687 |
Note: Quantity represents Weight in kilograms
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