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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,303 | 11,400 | 11,400 |
| 2006 | $37,280 | 29,095 | 29,095 |
| 2007 | $29,374 | 17,675 | 17,675 |
| 2008 | $20,105 | 11,195 | 11,195 |
| 2009 | $11,528 | 2,829 | 2,829 |
| 2010 | $1,045 | 280 | 280 |
| 2011 | $3,796 | 840 | 840 |
Note: Quantity represents Weight in kilograms
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