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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,153,623,601 | 571,376 | 44,300 |
| 2006 | $2,971,751,291 | 599,238 | 48,931 |
| 2007 | $4,467,860,809 | 817,223 | 62,476 |
| 2008 | $3,323,034,448 | 711,074 | 140,725 |
| 2009 | $2,082,391,622 | 423,556 | 56,366 |
| 2010 | $3,299,792,116 | 835,757 | 0 |
| 2011 | $3,375,038,573 | 573,298 | 0 |
Note: Quantity represents Number of items
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