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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,554,492,562 | 911,527,061 | 911,527,061 |
| 2006 | $1,689,001,681 | 947,737,523 | 947,737,523 |
| 2007 | $1,785,034,856 | 1,188,313,729 | 1,188,313,729 |
| 2008 | $2,159,205,629 | 1,218,577,284 | 1,218,577,284 |
| 2009 | $1,709,109,081 | 787,734,331 | 787,734,331 |
| 2010 | $2,190,725,277 | 790,222,103 | 790,222,103 |
| 2011 | $3,041,487,263 | 791,239,355 | 791,239,355 |
Note: Quantity represents Weight in kilograms
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