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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $77,775 | 63,656 | 63,656 |
| 2006 | $104,585 | 85,828 | 85,828 |
| 2007 | $102,685 | 77,412 | 77,412 |
| 2008 | $103,730 | 70,891 | 70,891 |
| 2009 | $82,526 | 51,436 | 51,436 |
| 2010 | $82,699 | 43,478 | 43,478 |
| 2011 | $83,872 | 48,899 | 48,899 |
Note: Quantity represents Weight in kilograms
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