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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $244,898 | 8,657 | 8,657 |
| 2006 | $452,189 | 17,152 | 17,152 |
| 2007 | $358,008 | 10,875 | 10,875 |
| 2008 | $362,888 | 11,906 | 11,906 |
| 2009 | $659,722 | 19,419 | 19,419 |
| 2010 | $3,540 | 1,859 | 1,859 |
| 2011 | $100,626 | 1,886 | 1,886 |
Note: Quantity represents Weight in kilograms
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