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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $337,060,813 | 3,358,642 | 3,358,642 |
| 2006 | $244,618,508 | 2,754,470 | 2,754,470 |
| 2007 | $306,235,660 | 2,347,683 | 2,347,683 |
| 2008 | $282,944,446 | 2,030,820 | 2,030,820 |
| 2009 | $192,566,369 | 1,536,349 | 1,536,349 |
| 2010 | $280,345,760 | 2,254,625 | 2,254,625 |
Note: Quantity represents Weight in kilograms
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