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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $677,279,701 | 10,343,759 | 10,343,759 |
| 2006 | $789,627,215 | 11,218,750 | 11,218,750 |
| 2007 | $1,141,115,729 | 15,519,188 | 15,519,188 |
| 2008 | $1,220,383,183 | 12,113,847 | 12,113,847 |
| 2009 | $1,318,437,571 | 426,942,106 | 426,942,106 |
| 2010 | $1,197,227,237 | 19,348,458 | 19,348,458 |
| 2011 | $1,497,202,185 | 13,317,852 | 13,317,852 |
Note: Quantity represents Weight in kilograms
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