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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $421,206,686 | 382,089,113 | 382,089,113 |
| 2006 | $554,777,907 | 463,743,413 | 463,743,413 |
| 2007 | $469,092,762 | 383,756,251 | 383,756,251 |
| 2008 | $623,552,806 | 269,781,410 | 269,781,410 |
| 2009 | $449,016,063 | 377,513,387 | 377,513,387 |
| 2010 | $644,850,861 | 460,414,898 | 460,414,898 |
| 2011 | $693,933,334 | 405,419,861 | 405,419,861 |
Note: Quantity represents Weight in kilograms
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