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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $181,355,078 | 11,912,869 | 11,912,869 |
| 2006 | $210,353,882 | 13,675,205 | 13,675,205 |
| 2007 | $306,304,976 | 16,057,702 | 16,057,702 |
| 2008 | $504,719,905 | 21,411,460 | 21,411,460 |
| 2009 | $651,105,869 | 25,572,065 | 25,572,065 |
| 2010 | $661,773,753 | 25,773,747 | 25,773,747 |
| 2011 | $585,008,175 | 24,330,228 | 24,330,228 |
Note: Quantity represents Weight in kilograms
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