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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,092 | 4,460 | 4,460 |
| 2006 | $17,247 | 4,866 | 4,866 |
| 2007 | $17,220 | 5,361 | 5,361 |
| 2008 | $106,809 | 18,738 | 18,738 |
| 2009 | $157,412 | 27,957 | 27,957 |
| 2010 | $279,314 | 10,688 | 10,688 |
| 2011 | $213,662 | 68,970 | 68,970 |
Note: Quantity represents Weight in kilograms
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