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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $472,170,833 | 198,681,359 | 198,681,359 |
| 2006 | $581,906,011 | 227,078,709 | 227,078,709 |
| 2007 | $624,525,563 | 218,272,325 | 218,272,325 |
| 2008 | $628,434,703 | 207,364,078 | 207,364,078 |
| 2009 | $489,509,732 | 159,156,309 | 159,156,309 |
| 2010 | $657,152,806 | 242,677,093 | 242,677,093 |
Note: Quantity represents Weight in kilograms
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