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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $64 | 2 | 2 |
| 2006 | $9 | 35 | 35 |
| 2008 | $38,259 | 8,179 | 8,179 |
| 2009 | $2,645,257 | 31,198,160 | 31,198,160 |
| 2010 | $4,825,828 | 60,241,322 | 60,241,322 |
| 2011 | $12,358,235 | 172,861,705 | 172,861,705 |
Note: Quantity represents Weight in kilograms
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