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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $915,941 | 8,313 | 0 |
| 2006 | $615,159 | 28,645 | 0 |
| 2007 | $345,494 | 5,161 | 439,561 |
| 2008 | $253,529 | 2,414 | 312,890 |
| 2009 | $149,507 | 2,469 | 130,129 |
| 2010 | $116,504 | 1,581 | 117,725 |
| 2011 | $86,059 | 1,269 | 86,099 |
Note: Quantity represents No Quantity
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