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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,394 | 1,104 | 1,104 |
| 2006 | $4,167 | 2,002 | 2,002 |
| 2007 | $2,496 | 2,036 | 2,036 |
| 2008 | $2,129 | 1,131 | 1,131 |
| 2009 | $55,144 | 23,393 | 23,393 |
| 2010 | $62,693 | 21,317 | 21,317 |
| 2011 | $26,249 | 4,695 | 4,695 |
Note: Quantity represents Weight in kilograms
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