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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,402,854,686 | 101,239,000 | 65,182 |
| 2006 | $3,761,705,367 | 171,162,000 | 113,020 |
| 2007 | $4,271,323,626 | 177,384,000 | 114,510 |
| 2008 | $4,113,798,816 | 171,297,000 | 110,715 |
| 2009 | $1,974,526,944 | 103,601,000 | 65,606 |
| 2010 | $2,015,325,567 | 102,315,000 | 63,767 |
| 2011 | $3,108,256,957 | 138,981,000 | 87,072 |
Note: Quantity represents Number of items
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