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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $902 | 627 | 627 |
| 2006 | $2,828 | 814 | 814 |
| 2007 | $2,858 | 257 | 257 |
| 2008 | $45,419 | 10,943 | 10,943 |
| 2009 | $73,510 | 5,713 | 5,713 |
| 2010 | $21,063 | 3,219,355 | 3,219,355 |
| 2011 | $36,020 | 4,086 | 4,086 |
Note: Quantity represents Weight in kilograms
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