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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $300,237,403 | 0 | 3,473,676 |
| 2006 | $361,709,844 | 0 | 4,108,530 |
| 2007 | $487,463,938 | 46,347,806 | 5,518,027 |
| 2008 | $425,428,023 | 32,454,186 | 17,747,073 |
| 2009 | $348,489,824 | 25,155,657 | 4,337,910 |
| 2010 | $426,803,090 | 33,555,999 | 5,404,424 |
| 2011 | $518,675,086 | 43,955,002 | 5,600,441 |
Note: Quantity represents Number of items
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