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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,616 | 9,103 | 9,103 |
| 2006 | $54,282 | 14,060 | 14,060 |
| 2007 | $38,905 | 9,038 | 9,038 |
| 2008 | $64,653 | 9,273 | 9,273 |
| 2009 | $86,505 | 14,301 | 14,301 |
| 2010 | $153,851 | 24,014 | 24,014 |
| 2011 | $253,355 | 33,587 | 33,587 |
Note: Quantity represents Weight in kilograms
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