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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,968 | 28,546 | 28,546 |
| 2006 | $12,043 | 11,824 | 11,824 |
| 2007 | $24,104 | 20,862 | 20,862 |
| 2008 | $41,025 | 26,670 | 26,670 |
| 2009 | $35,800 | 22,062 | 22,062 |
| 2010 | $41,294 | 37,543 | 37,543 |
| 2011 | $27,670 | 18,515 | 18,515 |
Note: Quantity represents Weight in kilograms
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