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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,747 | 16,499 | 16,499 |
| 2006 | $59,079 | 20,560 | 20,560 |
| 2007 | $44,927 | 18,388 | 18,388 |
| 2008 | $26,514 | 24,879 | 24,879 |
| 2009 | $31,539 | 31,425 | 31,425 |
| 2010 | $45,906 | 75,880 | 75,880 |
| 2011 | $70,337 | 54,766 | 54,766 |
Note: Quantity represents Weight in kilograms
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