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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $184,718,465 | 211,074,132 | 211,074,132 |
| 2006 | $287,910,609 | 333,379,228 | 333,379,228 |
| 2007 | $418,484,797 | 423,607,302 | 423,607,302 |
| 2008 | $669,928,745 | 347,411,752 | 347,411,752 |
| 2009 | $213,204,836 | 174,227,051 | 174,227,051 |
| 2010 | $344,564,474 | 254,162,267 | 254,162,267 |
| 2011 | $332,531,449 | 237,276,636 | 237,276,636 |
Note: Quantity represents Weight in kilograms
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