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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,141 | 142 | 142 |
| 2006 | $19,138 | 13,740 | 13,740 |
| 2007 | $31,161 | 21,508 | 21,508 |
| 2008 | $21,027 | 15,767 | 15,767 |
| 2009 | $5,318 | 2,162 | 2,162 |
| 2010 | $14,434 | 11,896 | 11,896 |
| 2011 | $22,580 | 5,477 | 5,477 |
Note: Quantity represents Weight in kilograms
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