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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,364 | 1,653 | 1,653 |
| 2006 | $2,240 | 398 | 398 |
| 2007 | $20,431 | 1,603 | 1,603 |
| 2008 | $50,433 | 53,390 | 53,390 |
| 2009 | $49,753 | 33,572 | 33,572 |
| 2010 | $62,098 | 41,008 | 41,008 |
| 2011 | $76,771 | 44,677 | 44,677 |
Note: Quantity represents Weight in kilograms
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