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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $225,284,992 | 35,597,500 | 0 |
| 2006 | $559,035,781 | 0 | 0 |
| 2007 | $614,146,873 | 0 | 0 |
| 2008 | $1,474,688,456 | 127,822,820 | 0 |
| 2009 | $854,129,242 | 52,803,980 | 0 |
| 2010 | $1,632,877,404 | 0 | 194,061 |
| 2011 | $5,133,915 | 0 | 0 |
Note: Quantity represents No Quantity
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