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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $39,399 | 45,575 | 45,575 |
| 2006 | $23,495 | 21,355 | 21,355 |
| 2007 | $15,166 | 10,674 | 10,674 |
| 2008 | $71,469 | 51,983 | 51,983 |
| 2009 | $116,039 | 80,666 | 80,666 |
| 2010 | $226,799 | 127,535 | 127,535 |
| 2011 | $368,997 | 187,150 | 187,150 |
Note: Quantity represents Weight in kilograms
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