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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,000 | 29,333 | 29,333 |
| 2006 | $39,850 | 66,439 | 66,439 |
| 2007 | $56,093 | 74,808 | 74,808 |
| 2008 | $41,189 | 37,957 | 37,957 |
| 2009 | $91,134 | 96,571 | 96,571 |
| 2010 | $128,385 | 141,421 | 141,421 |
| 2011 | $144,327 | 124,305 | 124,305 |
Note: Quantity represents Weight in kilograms
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