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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $48,299 | 5,866 | 5,866 |
| 2006 | $43,856 | 4,553 | 4,553 |
| 2007 | $30,778 | 2,670 | 2,670 |
| 2008 | $20,114 | 1,792 | 1,792 |
| 2009 | $19,238 | 1,691 | 1,691 |
| 2010 | $14,739 | 1,246 | 1,246 |
| 2011 | $25,219 | 1,698 | 1,698 |
Note: Quantity represents Weight in kilograms
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