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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,177 | 381 | 381 |
| 2006 | $23,045 | 2,159 | 2,159 |
| 2007 | $19,736 | 3,780 | 3,780 |
| 2008 | $41,588 | 6,096 | 6,096 |
| 2009 | $75,881 | 14,562 | 14,562 |
| 2010 | $30,680 | 1,975 | 1,975 |
| 2011 | $70,584 | 8,451 | 8,451 |
Note: Quantity represents Weight in kilograms
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