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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $126,918 | 16,241 | 16,241 |
| 2006 | $100,306 | 12,572 | 12,572 |
| 2007 | $95,123 | 10,804 | 10,804 |
| 2008 | $112,801 | 11,247 | 11,247 |
| 2009 | $102,767 | 10,243 | 10,243 |
| 2010 | $91,512 | 9,166 | 9,166 |
| 2011 | $79,216 | 7,738 | 7,738 |
Note: Quantity represents Weight in kilograms
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