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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $242,254,346 | 33,133,011 | 33,133,011 |
| 2006 | $316,847,378 | 41,637,253 | 41,637,253 |
| 2007 | $485,010,318 | 65,072,747 | 65,072,747 |
| 2008 | $434,570,836 | 53,494,606 | 53,494,606 |
| 2009 | $227,170,219 | 29,480,533 | 29,480,533 |
| 2010 | $291,935,181 | 41,831,875 | 41,831,875 |
Note: Quantity represents Weight in kilograms
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