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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $361 | 9 | 9 |
| 2006 | $2,872 | 1,605 | 1,605 |
| 2007 | $11,859 | 25,147 | 25,147 |
| 2008 | $8,414 | 17,255 | 17,255 |
| 2009 | $6,451 | 4,850 | 4,850 |
| 2010 | $25,168 | 50,365 | 50,365 |
| 2011 | $77,185 | 68,031 | 68,031 |
Note: Quantity represents Weight in kilograms
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