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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $468,324,120 | 58,981,898 | 58,981,898 |
| 2006 | $544,692,004 | 75,902,155 | 75,902,155 |
| 2007 | $563,189,454 | 81,707,241 | 81,707,241 |
| 2008 | $486,388,184 | 49,768,065 | 49,768,065 |
| 2009 | $424,877,561 | 60,416,284 | 60,416,284 |
| 2010 | $480,253,952 | 65,657,286 | 65,657,286 |
| 2011 | $448,458,632 | 47,765,010 | 47,765,010 |
Note: Quantity represents Weight in kilograms
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