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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $741,893,405 | 18,670,674 | 18,670,674 |
| 2006 | $861,524,309 | 19,080,019 | 19,080,019 |
| 2007 | $1,029,991,859 | 21,961,420 | 21,961,420 |
| 2008 | $1,312,758,612 | 30,279,846 | 30,279,846 |
| 2009 | $1,103,932,430 | 17,945,340 | 17,945,340 |
| 2010 | $1,048,957,789 | 14,988,128 | 14,988,128 |
| 2011 | $1,114,877,751 | 15,221,688 | 15,221,688 |
Note: Quantity represents Weight in kilograms
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