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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $578,290 | 728,115 | 728,115 |
| 2006 | $608,231 | 774,334 | 774,334 |
| 2007 | $531,722 | 609,241 | 609,241 |
| 2008 | $407,048 | 952,755 | 952,755 |
| 2009 | $309,620 | 344,829 | 344,829 |
| 2010 | $249,715 | 164,058 | 164,058 |
Note: Quantity represents Weight in kilograms
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