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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,404 | 658 | 658 |
| 2006 | $28,058 | 40,635 | 40,635 |
| 2007 | $16,033 | 8,728 | 8,728 |
| 2008 | $257,573 | 213,704 | 213,704 |
| 2009 | $474,071 | 458,178 | 458,178 |
| 2010 | $340,629 | 297,844 | 297,844 |
| 2011 | $376,362 | 313,930 | 313,930 |
Note: Quantity represents Weight in kilograms
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