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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $638,006,375 | 72,819,600 | 62,558 |
| 2006 | $617,505,569 | 69,379,400 | 57,323 |
| 2007 | $616,109,452 | 59,860,300 | 49,338 |
| 2008 | $720,989,622 | 64,795,269 | 53,528 |
| 2009 | $565,077,704 | 53,184,600 | 44,516 |
| 2010 | $656,872,242 | 65,127,615 | 55,327 |
| 2011 | $480,956,289 | 46,372,475 | 44,100 |
Note: Quantity represents Number of items
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