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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,179 | 10,643 | 10,643 |
| 2006 | $30,058 | 17,869 | 17,869 |
| 2007 | $70,263 | 5,245 | 5,245 |
| 2008 | $281,995 | 34,187 | 34,187 |
| 2009 | $202,820 | 13,608 | 13,608 |
| 2010 | $21,507 | 2,617 | 2,617 |
| 2011 | $2,791 | 769 | 769 |
Note: Quantity represents Weight in kilograms
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