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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,996 | 6,800 | 6,800 |
| 2006 | $6,558 | 20,850 | 20,850 |
| 2007 | $15,020 | 25,240 | 25,240 |
| 2008 | $17,890 | 43,000 | 43,000 |
| 2009 | $15,327 | 31,036 | 31,036 |
| 2010 | $5,802 | 16,019 | 16,019 |
| 2011 | $17,301 | 33,292 | 33,292 |
Note: Quantity represents Weight in kilograms
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