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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $567,568,050 | 150,514,378 | 150,514,378 |
| 2006 | $941,869,363 | 138,515,356 | 138,515,356 |
| 2007 | $847,606,848 | 117,933,674 | 117,933,674 |
| 2008 | $627,340,159 | 93,764,311 | 93,764,311 |
| 2009 | $464,754,883 | 88,264,027 | 88,264,027 |
| 2010 | $728,659,474 | 95,748,785 | 95,748,785 |
| 2011 | $638,104,791 | 73,479,220 | 73,479,220 |
Note: Quantity represents Weight in kilograms
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