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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,559 | 713 | 713 |
| 2006 | $8,538 | 1,638 | 1,638 |
| 2007 | $23,073 | 3,092 | 3,092 |
| 2008 | $60,588 | 10,986 | 10,986 |
| 2009 | $15,674 | 1,825 | 1,825 |
| 2010 | $56,688 | 3,799 | 3,799 |
| 2011 | $13,055 | 1,138 | 1,138 |
Note: Quantity represents Weight in kilograms
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