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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $290 | 194 | 194 |
| 2006 | $1,747 | 1,161 | 1,161 |
| 2007 | $13,857 | 7,358 | 7,358 |
| 2008 | $36,762 | 12,728 | 12,728 |
| 2009 | $11,562 | 4,543 | 4,543 |
| 2010 | $16,633 | 6,355 | 6,355 |
| 2011 | $49,344 | 17,109 | 17,109 |
Note: Quantity represents Weight in kilograms
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