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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,055 | 757 | 757 |
| 2006 | $11,137 | 3,562 | 3,562 |
| 2007 | $3,407 | 953 | 953 |
| 2008 | $29,514 | 11,300 | 11,300 |
| 2009 | $258,134 | 57,633 | 57,633 |
| 2010 | $142,606 | 23,898 | 23,898 |
| 2011 | $79,755 | 26,354 | 26,354 |
Note: Quantity represents Weight in kilograms
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