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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $50,652 | 7,917 | 7,917 |
| 2006 | $104,594 | 16,181 | 16,181 |
| 2007 | $137,243 | 21,141 | 21,141 |
| 2008 | $275,254 | 36,061 | 36,061 |
| 2009 | $290,556 | 37,836 | 37,836 |
| 2010 | $268,436 | 34,077 | 34,077 |
| 2011 | $233,804 | 32,713 | 32,713 |
Note: Quantity represents Weight in kilograms
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