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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $49,033 | 8,999 | 8,999 |
| 2006 | $72,717 | 19,051 | 19,051 |
| 2007 | $80,263 | 20,592 | 20,592 |
| 2008 | $71,624 | 16,175 | 16,175 |
| 2009 | $174,122 | 55,698 | 55,698 |
| 2010 | $202,581 | 27,177 | 27,177 |
| 2011 | $229,040 | 38,074 | 38,074 |
Note: Quantity represents Weight in kilograms
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