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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,974 | 958 | 958 |
| 2006 | $14,765 | 2,374 | 2,374 |
| 2007 | $30,275 | 8,435 | 8,435 |
| 2008 | $79,597 | 10,789 | 10,789 |
| 2009 | $79,546 | 13,497 | 13,497 |
| 2010 | $61,829 | 11,272 | 11,272 |
| 2011 | $42,985 | 5,395 | 5,395 |
Note: Quantity represents Weight in kilograms
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