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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,438 | 4,283 | 4,283 |
| 2006 | $29,803 | 3,854 | 3,854 |
| 2007 | $19,193 | 2,546 | 2,546 |
| 2008 | $33,683 | 4,162 | 4,162 |
| 2009 | $23,487 | 2,659 | 2,659 |
| 2010 | $30,009 | 4,007 | 4,007 |
| 2011 | $16,822 | 2,016 | 2,016 |
Note: Quantity represents Weight in kilograms
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