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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $332,449,863 | 5,785,199,611 | 5,785,199,611 |
| 2006 | $331,754,712 | 6,594,191,518 | 6,594,191,518 |
| 2007 | $376,762,979 | 5,606,448,062 | 5,606,448,062 |
| 2008 | $552,102,519 | 5,691,350,013 | 5,691,350,013 |
| 2009 | $225,844,574 | 3,457,484,626 | 3,457,484,626 |
| 2010 | $546,257,968 | 5,978,566,168 | 5,978,566,168 |
| 2011 | $668,532,632 | 5,635,654,761 | 5,635,654,761 |
Note: Quantity represents Weight in kilograms
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