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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $486,676 | 25,881 | 25,881 |
| 2006 | $455,785 | 37,768 | 37,768 |
| 2007 | $675,940 | 38,627 | 38,627 |
| 2008 | $571,618 | 21,174 | 21,174 |
| 2009 | $666,558 | 25,069 | 25,069 |
| 2010 | $745,990 | 30,003 | 30,003 |
| 2011 | $671,346 | 20,317 | 20,317 |
Note: Quantity represents Weight in kilograms
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