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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,700 | 16,483 | 16,483 |
| 2007 | $15,400 | 2,214 | 2,214 |
| 2008 | $200 | 86 | 86 |
| 2009 | $243,800 | 300,305 | 300,305 |
| 2010 | $6,762,300 | 9,642,541 | 9,642,541 |
| 2011 | $9,305,000 | 8,732,708 | 8,732,708 |
Note: Quantity represents Weight in kilograms
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