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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,954 | 10,000 | 10,000 |
| 2006 | $35,314 | 3,622 | 3,622 |
| 2007 | $48,149 | 3,568 | 3,568 |
| 2008 | $52,859 | 4,093 | 4,093 |
| 2009 | $101,878 | 4,760 | 4,760 |
| 2010 | $90,822 | 5,840 | 5,840 |
| 2011 | $157,855 | 12,217 | 12,217 |
Note: Quantity represents Weight in kilograms
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