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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $122,228 | 2,036 | 2,036 |
| 2006 | $904,384 | 7,995 | 7,995 |
| 2007 | $10,721 | 113 | 113 |
| 2008 | $67,285 | 2,430 | 2,430 |
| 2009 | $17,524 | 4,379 | 4,379 |
| 2010 | $30,365 | 562 | 562 |
| 2011 | $295,477 | 19,655 | 19,655 |
Note: Quantity represents Weight in kilograms
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