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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $279,356,526 | 29,979,084 | 29,979,084 |
| 2006 | $285,388,843 | 28,636,115 | 28,636,115 |
| 2007 | $288,985,607 | 27,302,344 | 27,302,344 |
| 2008 | $311,431,615 | 30,472,736 | 30,472,736 |
| 2009 | $217,761,222 | 23,339,142 | 23,339,142 |
| 2010 | $244,150,644 | 23,592,497 | 23,592,497 |
| 2011 | $241,903,085 | 22,105,508 | 22,105,508 |
Note: Quantity represents Weight in kilograms
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