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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,418 | 797 | 797 |
| 2006 | $13,796 | 896 | 896 |
| 2007 | $65,002 | 10,128 | 10,128 |
| 2008 | $79,901 | 19,750 | 19,750 |
| 2009 | $107,030 | 1,607 | 1,607 |
| 2010 | $50,756 | 1,822 | 1,822 |
| 2011 | $31,153 | 1,956 | 1,956 |
Note: Quantity represents Weight in kilograms
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