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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,703 | 103 | 103 |
| 2006 | $5,566 | 44 | 44 |
| 2007 | $1,256 | 33,500 | 33,500 |
| 2008 | $4,653 | 625 | 625 |
| 2009 | $17,451 | 23,987 | 23,987 |
| 2010 | $148,232 | 274,046 | 274,046 |
| 2011 | $234,679 | 486,913 | 486,913 |
Note: Quantity represents Weight in kilograms
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