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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $346,873,000 | 666,887,200 | 666,887,200 |
| 2006 | $392,074,000 | 723,703,100 | 723,703,100 |
| 2007 | $461,906,000 | 722,629,700 | 722,629,700 |
| 2008 | $480,680,000 | 744,269,200 | 744,269,200 |
| 2009 | $352,529,000 | 706,532,700 | 706,532,700 |
| 2010 | $463,224,243 | 795,198,700 | 795,198,700 |
| 2011 | $569,074,850 | 814,811,620 | 814,811,620 |
Note: Quantity represents Weight in kilograms
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