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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $307,994,276 | 165,953,631 | 165,953,631 |
| 2006 | $354,185,306 | 179,838,303 | 179,838,303 |
| 2007 | $376,517,857 | 185,103,092 | 185,103,092 |
| 2008 | $382,587,041 | 171,313,277 | 171,313,277 |
| 2009 | $319,742,926 | 44,311,655 | 44,311,655 |
| 2010 | $277,029,870 | 150,135,787 | 150,135,787 |
Note: Quantity represents Weight in kilograms
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