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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,850 | 3,810 | 3,810 |
| 2006 | $18,799 | 2,933 | 2,933 |
| 2007 | $18,665 | 3,624 | 3,624 |
| 2008 | $23,099 | 3,990 | 3,990 |
| 2009 | $25,594 | 3,521 | 3,521 |
| 2010 | $37,713 | 4,477 | 4,477 |
| 2011 | $30,159 | 2,779 | 2,779 |
Note: Quantity represents Weight in kilograms
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