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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,773 | 14,476 | 14,476 |
| 2006 | $9,905 | 6,902 | 6,902 |
| 2007 | $40,317 | 130,000 | 130,000 |
| 2008 | $13,955 | 49,645 | 49,645 |
| 2009 | $35,978 | 109,458 | 109,458 |
| 2010 | $26,219 | 41,212 | 41,212 |
| 2011 | $2,305 | 10,113 | 10,113 |
Note: Quantity represents Weight in kilograms
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