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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $168 | 560 | 560 |
| 2006 | $38 | 150 | 150 |
| 2007 | $2,007 | 8,061 | 8,061 |
| 2008 | $6,530 | 21,141 | 21,141 |
| 2009 | $3,219 | 16,985 | 16,985 |
| 2010 | $21,473 | 118,359 | 118,359 |
| 2011 | $50,661 | 199,324 | 199,324 |
Note: Quantity represents Weight in kilograms
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