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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $59,967 | 4,000 | 4,000 |
| 2006 | $68,505 | 4,970 | 4,970 |
| 2007 | $77,139 | 4,395 | 4,395 |
| 2008 | $64,380 | 2,899 | 2,899 |
| 2009 | $40,831 | 2,753 | 2,753 |
| 2010 | $42,744 | 3,051 | 3,051 |
| 2011 | $30,170 | 1,765 | 1,765 |
Note: Quantity represents Weight in kilograms
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