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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,497 | 602 | 602 |
| 2006 | $55,275 | 2,475 | 2,475 |
| 2007 | $82,231 | 2,374 | 2,374 |
| 2008 | $34,973 | 562 | 562 |
| 2009 | $68,128 | 3,281 | 3,281 |
| 2010 | $104,996 | 3,649 | 3,649 |
| 2011 | $75,612 | 1,816 | 1,816 |
Note: Quantity represents Weight in kilograms
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