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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $549 | 190 | 190 |
| 2006 | $39,326 | 22,785 | 22,785 |
| 2007 | $129,761 | 85,351 | 85,351 |
| 2008 | $143,000 | 70,735 | 70,735 |
| 2009 | $52,106 | 30,643 | 30,643 |
| 2010 | $38,692 | 18,862 | 18,862 |
| 2011 | $25,143 | 4,909 | 4,909 |
Note: Quantity represents Weight in kilograms
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