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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $172 | 500 | 500 |
| 2006 | $58 | 130 | 130 |
| 2007 | $32 | 3,300 | 3,300 |
| 2008 | $2,418 | 2,252 | 2,252 |
| 2009 | $950,177 | 17,135,469 | 17,135,469 |
| 2010 | $1,271,824 | 27,661,500 | 27,661,500 |
| 2011 | $1,061,995 | 16,716,570 | 16,716,570 |
Note: Quantity represents Weight in kilograms
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