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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $133,866 | 35,609 | 35,609 |
| 2006 | $123,205 | 79,184 | 79,184 |
| 2007 | $170,449 | 35,274 | 35,274 |
| 2008 | $260,050 | 51,248 | 51,248 |
| 2009 | $116,088 | 23,331 | 23,331 |
| 2010 | $188,957 | 33,669 | 33,669 |
Note: Quantity represents Weight in kilograms
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