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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,917 | 4,873 | 4,873 |
| 2006 | $14,879 | 7,453 | 7,453 |
| 2007 | $17,219 | 7,997 | 7,997 |
| 2008 | $20,952 | 7,590 | 7,590 |
| 2009 | $28,101 | 9,724 | 9,724 |
| 2010 | $23,983 | 8,536 | 8,536 |
| 2011 | $21,795 | 7,795 | 7,795 |
Note: Quantity represents Weight in kilograms
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