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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $703,837 | 460,355 | 460,355 |
| 2006 | $994,287 | 473,853 | 473,853 |
| 2007 | $904,530 | 811,286 | 811,286 |
| 2008 | $522,198 | 303,171 | 303,171 |
| 2009 | $420,288 | 205,753 | 205,753 |
| 2010 | $818,058 | 272,471 | 272,471 |
| 2011 | $251,490 | 87,828 | 87,828 |
Note: Quantity represents Weight in kilograms
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