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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $549 | 47 | 47 |
| 2006 | $8,756 | 1,532 | 1,532 |
| 2007 | $80,734 | 21,568 | 21,568 |
| 2008 | $87,333 | 17,373 | 17,373 |
| 2009 | $75,613 | 26,243 | 26,243 |
| 2010 | $183,717 | 44,157 | 44,157 |
| 2011 | $129,911 | 46,850 | 46,850 |
Note: Quantity represents Weight in kilograms
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