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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,294 | 9,647 | 9,647 |
| 2006 | $42,400 | 12,134 | 12,134 |
| 2007 | $23,541 | 11,002 | 11,002 |
| 2008 | $87,881 | 6,498 | 6,498 |
| 2009 | $22,502 | 5,471 | 5,471 |
| 2010 | $71,001 | 64,949 | 64,949 |
| 2011 | $42,496 | 24,170 | 24,170 |
Note: Quantity represents Weight in kilograms
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