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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,774 | 880 | 880 |
| 2006 | $355 | 38 | 38 |
| 2007 | $28,931 | 6,161 | 6,161 |
| 2008 | $70,642 | 23,566 | 23,566 |
| 2009 | $137,507 | 47,680 | 47,680 |
| 2010 | $38,479 | 16,474 | 16,474 |
| 2011 | $30,672 | 9,880 | 9,880 |
Note: Quantity represents Weight in kilograms
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