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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,111,822,086 | 289,128,255 | 156,807 |
| 2006 | $3,527,484,792 | 319,724,578 | 171,349 |
| 2007 | $3,068,900,957 | 296,473,130 | 158,052 |
| 2008 | $3,720,268,117 | 328,407,000 | 109,420 |
| 2009 | $2,910,382,113 | 244,317,000 | 84,249 |
| 2010 | $4,362,228,386 | 324,274,000 | 107,487 |
Note: Quantity represents Number of items
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