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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $41,673 | 43,071 | 43,071 |
| 2006 | $33,857 | 29,428 | 29,428 |
| 2007 | $35,582 | 30,529 | 30,529 |
| 2008 | $25,473 | 16,016 | 16,016 |
| 2009 | $40,660 | 27,498 | 27,498 |
| 2010 | $51,484 | 33,545 | 33,545 |
| 2011 | $77,105 | 55,868 | 55,868 |
Note: Quantity represents Weight in kilograms
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