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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $118,248 | 4,249 | 4,249 |
| 2006 | $69,315 | 2,547 | 2,547 |
| 2007 | $79,799 | 2,269 | 2,269 |
| 2008 | $74,520 | 2,446 | 2,446 |
| 2009 | $28,278 | 2,535 | 2,535 |
| 2010 | $57,794 | 857 | 857 |
| 2011 | $49,277 | 595 | 595 |
Note: Quantity represents Weight in kilograms
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