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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,813 | 1,476 | 1,476 |
| 2006 | $5,127 | 897 | 897 |
| 2007 | $4,388 | 918 | 918 |
| 2008 | $26,000 | 11,086 | 11,086 |
| 2009 | $6,918 | 5,996 | 5,996 |
| 2010 | $10,261 | 10,261 | 10,261 |
| 2011 | $26,568 | 25,278 | 25,278 |
Note: Quantity represents Weight in kilograms
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