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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $57,730 | 5,861 | 5,861 |
| 2006 | $50,880 | 6,537 | 6,537 |
| 2007 | $64,268 | 7,388 | 7,388 |
| 2008 | $68,089 | 5,633 | 5,633 |
| 2009 | $67,235 | 8,088 | 8,088 |
| 2010 | $65,858 | 7,974 | 7,974 |
| 2011 | $48,613 | 4,420 | 4,420 |
Note: Quantity represents Weight in kilograms
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