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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,165 | 1,009 | 1,009 |
| 2006 | $30,215 | 3,222 | 3,222 |
| 2007 | $18,795 | 1,770 | 1,770 |
| 2008 | $26,398 | 2,762 | 2,762 |
| 2009 | $28,688 | 3,395 | 3,395 |
| 2010 | $68,651 | 9,865 | 9,865 |
| 2011 | $17,073 | 1,214 | 1,214 |
Note: Quantity represents Weight in kilograms
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