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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,402 | 136 | 136 |
| 2006 | $38,287 | 2,399 | 2,399 |
| 2007 | $36,794 | 1,088 | 1,088 |
| 2008 | $343,156 | 34,349 | 34,349 |
| 2009 | $6,810 | 532 | 532 |
| 2010 | $36,708 | 29,461 | 29,461 |
| 2011 | $19,450 | 2,560 | 2,560 |
Note: Quantity represents Weight in kilograms
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