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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,878 | 739 | 739 |
| 2006 | $33,818 | 25,377 | 25,377 |
| 2007 | $64,795 | 34,089 | 34,089 |
| 2008 | $25,828 | 8,915 | 8,915 |
| 2009 | $49,642 | 24,952 | 24,952 |
| 2010 | $32,015 | 12,831 | 12,831 |
| 2011 | $65,622 | 23,262 | 23,262 |
Note: Quantity represents Weight in kilograms
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