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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $246,066,337 | 69 | 0 |
| 2006 | $236,972,325 | 80 | 398,514 |
| 2007 | $156,958,845 | 46 | 226,953 |
| 2008 | $137,506,372 | 34 | 671,651 |
| 2009 | $56,213,361 | 13 | 66,204 |
| 2010 | $70,321,128 | 19 | 94,287 |
| 2011 | $72,504,079 | 18 | 87,656 |
Note: Quantity represents No Quantity
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