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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $328,000 | 272,900 | 272,900 |
| 2007 | $273,000 | 218,300 | 218,300 |
| 2008 | $135,000 | 84,000 | 84,000 |
| 2009 | $121,000 | 222,900 | 222,900 |
| 2010 | $318,000 | 304,900 | 304,900 |
| 2011 | $116,000 | 111,000 | 111,000 |
Note: Quantity represents Weight in kilograms
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