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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $502,215,945 | 6,891,642 | 6,891,642 |
| 2006 | $481,117,120 | 7,246,646 | 7,246,646 |
| 2007 | $567,751,916 | 8,914,844 | 8,914,844 |
| 2008 | $780,264,580 | 12,055,562 | 12,055,562 |
| 2009 | $776,182,917 | 11,172,915 | 11,172,915 |
| 2010 | $553,693,945 | 9,639,192 | 9,639,192 |
| 2011 | $559,965,314 | 13,383,828 | 13,383,828 |
Note: Quantity represents Weight in kilograms
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