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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $180,169 | 21,837 | 21,837 |
| 2006 | $323,317 | 20,144 | 20,144 |
| 2007 | $510,087 | 36,941 | 36,941 |
| 2008 | $531,960 | 32,370 | 32,370 |
| 2009 | $312,196 | 17,833 | 17,833 |
| 2010 | $301,574 | 29,177 | 29,177 |
| 2011 | $226,447 | 15,191 | 15,191 |
Note: Quantity represents Weight in kilograms
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