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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,969 | 6,190 | 6,190 |
| 2006 | $43,135 | 9,366 | 9,366 |
| 2007 | $128,099 | 30,826 | 30,826 |
| 2008 | $81,808 | 17,266 | 17,266 |
| 2009 | $41,093 | 8,458 | 8,458 |
| 2010 | $64,976 | 17,020 | 17,020 |
| 2011 | $137,655 | 33,083 | 33,083 |
Note: Quantity represents Weight in kilograms
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