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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,500 | 3,060 | 3,060 |
| 2006 | $37,200 | 11,955 | 11,955 |
| 2007 | $1,600 | 10 | 10 |
| 2008 | $35,300 | 6,024 | 6,024 |
| 2009 | $311,400 | 86,067 | 86,067 |
| 2010 | $984,300 | 182,334 | 182,334 |
| 2011 | $432,900 | 70,000 | 70,000 |
Note: Quantity represents Weight in kilograms
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