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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,905 | 387 | 387 |
| 2006 | $21,451 | 1,244 | 1,244 |
| 2007 | $37,652 | 774 | 774 |
| 2008 | $46,331 | 1,121 | 1,121 |
| 2009 | $23,804 | 1,049 | 1,049 |
| 2010 | $54,804 | 2,567 | 2,567 |
| 2011 | $43,868 | 1,542 | 1,542 |
Note: Quantity represents Weight in kilograms
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