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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $56,961 | 10,661 | 10,661 |
| 2006 | $6,802 | 1,049 | 1,049 |
| 2007 | $44,625 | 5,867 | 5,867 |
| 2008 | $17,849 | 2,035 | 2,035 |
| 2009 | $26,908 | 1,305 | 1,305 |
| 2010 | $102,223 | 18,795 | 18,795 |
| 2011 | $201,600 | 55,130 | 55,130 |
Note: Quantity represents Weight in kilograms
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