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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $30,932 | 41,379 | 41,379 |
| 2006 | $47,937 | 56,240 | 56,240 |
| 2007 | $80,406 | 86,174 | 86,174 |
| 2008 | $65,491 | 75,891 | 75,891 |
| 2009 | $51,473 | 47,812 | 47,812 |
| 2010 | $40,200 | 43,755 | 43,755 |
| 2011 | $92,052 | 73,166 | 73,166 |
Note: Quantity represents Weight in kilograms
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