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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,148 | 17,428 | 17,428 |
| 2006 | $25,587 | 9,093 | 9,093 |
| 2007 | $24,649 | 20,533 | 20,533 |
| 2008 | $22,799 | 19,441 | 19,441 |
| 2009 | $40,013 | 12,589 | 12,589 |
| 2010 | $118,611 | 54,613 | 54,613 |
| 2011 | $229,786 | 79,439 | 79,439 |
Note: Quantity represents Weight in kilograms
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