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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,047 | 17,214 | 17,214 |
| 2006 | $8,530 | 16,859 | 16,859 |
| 2007 | $27,317 | 31,687 | 31,687 |
| 2008 | $17,069 | 17,450 | 17,450 |
| 2009 | $23,100 | 27,793 | 27,793 |
| 2010 | $11,518 | 14,155 | 14,155 |
| 2011 | $11,325 | 9,542 | 9,542 |
Note: Quantity represents Weight in kilograms
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