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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,639 | 19,602 | 19,602 |
| 2006 | $21,230 | 5,468 | 5,468 |
| 2007 | $18,140 | 6,313 | 6,313 |
| 2008 | $17,925 | 5,507 | 5,507 |
| 2009 | $11,195 | 3,591 | 3,591 |
| 2010 | $7,697 | 3,714 | 3,714 |
| 2011 | $23,087 | 11,228 | 11,228 |
Note: Quantity represents Weight in kilograms
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