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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $149,886 | 4,197 | 4,197 |
| 2006 | $148,645 | 21,936 | 21,936 |
| 2007 | $148,781 | 3,454 | 3,454 |
| 2008 | $135,614 | 3,813 | 3,813 |
| 2009 | $50,375 | 467 | 467 |
| 2010 | $45,753 | 571 | 571 |
| 2011 | $80,443 | 920 | 920 |
Note: Quantity represents Weight in kilograms
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