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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $41,000 | 16,000 | 16,000 |
| 2006 | $18,899 | 2,873 | 2,873 |
| 2007 | $49,831 | 7,331 | 7,331 |
| 2008 | $108,611 | 21,617 | 21,617 |
| 2009 | $249,006 | 62,784 | 62,784 |
| 2010 | $204,933 | 60,842 | 60,842 |
| 2011 | $95,809 | 37,451 | 37,451 |
Note: Quantity represents Weight in kilograms
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