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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,200 | 1,235 | 1,235 |
| 2006 | $9,200 | 3,460 | 3,460 |
| 2007 | $55,600 | 22,633 | 22,633 |
| 2008 | $41,500 | 13,529 | 13,529 |
| 2009 | $59,500 | 19,419 | 19,419 |
| 2010 | $143,300 | 55,780 | 55,780 |
| 2011 | $544,400 | 242,481 | 242,481 |
Note: Quantity represents Weight in kilograms
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