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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $549,754,393 | 16,905,117 | 16,905,117 |
| 2006 | $544,280,591 | 9,529,132 | 9,529,132 |
| 2007 | $635,166,760 | 8,123,679 | 8,123,679 |
| 2008 | $651,493,034 | 0 | 0 |
| 2009 | $557,871,830 | 7,286,178 | 7,286,178 |
| 2010 | $587,038,020 | 0 | 0 |
| 2011 | $679,474,308 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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