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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,838 | 12,303 | 12,303 |
| 2006 | $12,862 | 6,109 | 6,109 |
| 2007 | $37,588 | 13,133 | 13,133 |
| 2008 | $27,355 | 16,717 | 16,717 |
| 2009 | $133,786 | 81,129 | 81,129 |
| 2010 | $73,125 | 40,171 | 40,171 |
| 2011 | $48,214 | 23,943 | 23,943 |
Note: Quantity represents Weight in kilograms
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