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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $29,000 | 12,145 | 12,145 |
| 2006 | $47,889 | 18,116 | 18,116 |
| 2007 | $30,656 | 6,189 | 6,189 |
| 2008 | $46,701 | 18,734 | 18,734 |
| 2009 | $27,234 | 11,005 | 11,005 |
| 2010 | $50,374 | 37,778 | 37,778 |
| 2011 | $78,831 | 67,869 | 67,869 |
Note: Quantity represents Weight in kilograms
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