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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $86,201 | 12,091 | 12,091 |
| 2006 | $76,801 | 8,062 | 8,062 |
| 2007 | $94,947 | 14,606 | 14,606 |
| 2008 | $56,640 | 10,009 | 10,009 |
| 2009 | $34,468 | 7,863 | 7,863 |
| 2010 | $71,627 | 19,150 | 19,150 |
| 2011 | $107,926 | 9,775 | 9,775 |
Note: Quantity represents Weight in kilograms
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