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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,264 | 11,683 | 11,683 |
| 2006 | $1,608 | 14,859 | 14,859 |
| 2007 | $21,775 | 191,009 | 191,009 |
| 2008 | $274 | 2,214 | 2,214 |
| 2009 | $47,250 | 213,011 | 213,011 |
| 2010 | $8,341 | 53,399 | 53,399 |
| 2011 | $17,000 | 28,841 | 28,841 |
Note: Quantity represents Weight in kilograms
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