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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $84,560 | 4,145 | 4,145 |
| 2006 | $50,464 | 2,177 | 2,177 |
| 2007 | $76,879 | 4,610 | 4,610 |
| 2008 | $70,818 | 6,386 | 6,386 |
| 2009 | $229,062 | 5,568 | 5,568 |
| 2010 | $107,318 | 6,671 | 6,671 |
| 2011 | $187,342 | 14,363 | 14,363 |
Note: Quantity represents Weight in kilograms
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