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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,082,365,426 | 603,216,583 | 603,216,583 |
| 2006 | $3,291,192,809 | 783,994,318 | 783,994,318 |
| 2007 | $3,804,317,810 | 1,023,442,293 | 1,023,442,293 |
| 2008 | $3,999,430,134 | 733,607,609 | 733,607,609 |
| 2009 | $3,464,203,081 | 591,528,161 | 591,528,161 |
| 2010 | $3,525,905,129 | 637,953,294 | 637,953,294 |
Note: Quantity represents Weight in kilograms
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