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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $808 | 7,140 | 7,140 |
| 2006 | $155,557 | 17,238,883 | 17,238,883 |
| 2007 | $5 | 40 | 40 |
| 2008 | $1,116 | 5,851 | 5,851 |
| 2009 | $5 | 2 | 2 |
| 2010 | $188,749 | 272,800 | 272,800 |
| 2011 | $910,153 | 6,706,729 | 6,706,729 |
Note: Quantity represents Weight in kilograms
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