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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $130 | 27 | 27 |
| 2006 | $706 | 178 | 178 |
| 2007 | $75,113 | 16,448 | 16,448 |
| 2008 | $124,125 | 63,188 | 63,188 |
| 2009 | $102,109 | 203,352 | 203,352 |
| 2010 | $117,601 | 149,398 | 149,398 |
| 2011 | $98,496 | 61,821 | 61,821 |
Note: Quantity represents Weight in kilograms
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