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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $71,950 | 4,480 | 0 |
| 2006 | $90,162 | 6,162 | 505 |
| 2007 | $176,277 | 10,159 | 879 |
| 2008 | $303,722 | 14,045 | 1,272 |
| 2009 | $260,202 | 16,744 | 1,424 |
| 2010 | $230,015 | 17,654 | 1,619 |
| 2011 | $180,909 | 12,065 | 1,008 |
Note: Quantity represents No Quantity
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