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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,828 | 52,895 | 52,895 |
| 2006 | $14,381 | 31,581 | 31,581 |
| 2007 | $56,327 | 96,018 | 96,018 |
| 2008 | $111,411 | 131,612 | 131,612 |
| 2009 | $49,311 | 58,109 | 58,109 |
| 2010 | $23,805 | 72,080 | 72,080 |
| 2011 | $13,514 | 24,882 | 24,882 |
Note: Quantity represents Weight in kilograms
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