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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,899 | 760 | 760 |
| 2006 | $644 | 200 | 200 |
| 2007 | $18,696 | 5,356 | 5,356 |
| 2008 | $6,561 | 8,460 | 8,460 |
| 2009 | $49,861 | 70,150 | 70,150 |
| 2010 | $93,066 | 110,775 | 110,775 |
| 2011 | $243,858 | 283,960 | 283,960 |
Note: Quantity represents Weight in kilograms
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