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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,500 | 6,765 | 6,765 |
| 2006 | $38 | 53 | 53 |
| 2007 | $21,173 | 8,439 | 8,439 |
| 2008 | $36,833 | 16,379 | 16,379 |
| 2009 | $29,651 | 11,808 | 11,808 |
| 2010 | $20,626 | 6,037 | 6,037 |
| 2011 | $35,783 | 6,790 | 6,790 |
Note: Quantity represents Weight in kilograms
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