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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $38,434 | 35,748 | 35,748 |
| 2006 | $30,849 | 35,078 | 35,078 |
| 2007 | $30,588 | 31,427 | 31,427 |
| 2008 | $83,844 | 95,980 | 95,980 |
| 2009 | $44,464 | 48,227 | 48,227 |
| 2010 | $34,149 | 31,205 | 31,205 |
| 2011 | $44,223 | 43,244 | 43,244 |
Note: Quantity represents Weight in kilograms
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