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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,602 | 3,719 | 3,719 |
| 2006 | $32,623 | 3,411 | 3,411 |
| 2007 | $28,462 | 3,407 | 3,407 |
| 2008 | $30,393 | 3,285 | 3,285 |
| 2009 | $26,265 | 3,836 | 3,836 |
| 2010 | $48,391 | 6,031 | 6,031 |
| 2011 | $34,881 | 3,524 | 3,524 |
Note: Quantity represents Weight in kilograms
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