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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $262 | 34 | 34 |
| 2006 | $50,793 | 25,180 | 25,180 |
| 2007 | $78,173 | 42,214 | 42,214 |
| 2008 | $201,436 | 78,524 | 78,524 |
| 2009 | $74,355 | 34,043 | 34,043 |
| 2010 | $163,708 | 55,789 | 55,789 |
| 2011 | $145,684 | 48,974 | 48,974 |
Note: Quantity represents Weight in kilograms
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