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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,736 | 4,906 | 4,906 |
| 2006 | $11,624 | 4,152 | 4,152 |
| 2007 | $74,569 | 18,532 | 18,532 |
| 2008 | $62,579 | 10,282 | 10,282 |
| 2009 | $49,681 | 7,914 | 7,914 |
| 2010 | $51,894 | 8,633 | 8,633 |
| 2011 | $15,201 | 2,551 | 2,551 |
Note: Quantity represents Weight in kilograms
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