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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $226,252,010 | 33,517,708 | 33,517,708 |
| 2006 | $214,878,632 | 30,903,468 | 30,903,468 |
| 2007 | $300,347,386 | 32,970,761 | 32,970,761 |
| 2008 | $300,685,256 | 25,831,030 | 25,831,030 |
| 2009 | $181,737,359 | 17,294,733 | 17,294,733 |
| 2010 | $110,622,728 | 13,788,442 | 13,788,442 |
| 2011 | $165,674,075 | 18,016,479 | 18,016,479 |
Note: Quantity represents Weight in kilograms
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