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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $147,569 | 17,079 | 17,079 |
| 2006 | $148,160 | 13,640 | 13,640 |
| 2007 | $106,000 | 9,759 | 9,759 |
| 2008 | $103,252 | 7,569 | 7,569 |
| 2009 | $181,283 | 14,649 | 14,649 |
| 2010 | $265,631 | 14,711 | 14,711 |
| 2011 | $83,530 | 7,181 | 7,181 |
Note: Quantity represents Weight in kilograms
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