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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $78,866 | 4,035 | 4,035 |
| 2006 | $170,693 | 8,367 | 8,367 |
| 2007 | $91,378 | 5,639 | 5,639 |
| 2008 | $131,138 | 10,685 | 10,685 |
| 2009 | $70,699 | 7,475 | 7,475 |
| 2010 | $145,782 | 11,828 | 11,828 |
| 2011 | $109,016 | 7,061 | 7,061 |
Note: Quantity represents Weight in kilograms
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