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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,756 | 17,445 | 17,445 |
| 2007 | $64,480 | 16,096 | 16,096 |
| 2008 | $344,392 | 76,922,172 | 76,922,172 |
| 2009 | $49,857 | 14,838 | 14,838 |
| 2010 | $26,423 | 8,111 | 8,111 |
| 2011 | $38,225 | 8,211 | 8,211 |
Note: Quantity represents Weight in kilograms
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