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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,149 | 849 | 849 |
| 2006 | $5,691 | 1,475 | 1,475 |
| 2007 | $8,886 | 548 | 548 |
| 2008 | $13,212 | 487 | 487 |
| 2009 | $163,266 | 4,422 | 4,422 |
| 2010 | $386,162 | 14,046 | 14,046 |
| 2011 | $651,205 | 21,979 | 21,979 |
Note: Quantity represents Weight in kilograms
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