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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $51,632 | 16,853 | 16,853 |
| 2006 | $21,325 | 16,390 | 16,390 |
| 2007 | $115,032 | 49,993 | 49,993 |
| 2008 | $165 | 30 | 30 |
| 2009 | $20,873 | 23,214 | 23,214 |
| 2010 | $659 | 35 | 35 |
| 2011 | $11,061 | 23,732 | 23,732 |
Note: Quantity represents Weight in kilograms
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