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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,019 | 33,500 | 33,500 |
| 2006 | $14,377 | 17,886 | 17,886 |
| 2007 | $16,015 | 27,557 | 27,557 |
| 2008 | $13,757 | 27,365 | 27,365 |
| 2009 | $11,170 | 17,769 | 17,769 |
| 2010 | $8,889 | 12,950 | 12,950 |
| 2011 | $48,957 | 89,562 | 89,562 |
Note: Quantity represents Weight in kilograms
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