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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $55,370 | 1,257 | 1,257 |
| 2006 | $23,046 | 585 | 585 |
| 2007 | $59,607 | 2,016 | 2,016 |
| 2008 | $97,745 | 2,810 | 2,810 |
| 2009 | $79,086 | 1,937 | 1,937 |
| 2010 | $58,634 | 2,066 | 2,066 |
| 2011 | $46,413 | 766 | 766 |
Note: Quantity represents Weight in kilograms
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