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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $30,978 | 2,215 | 2,215 |
| 2006 | $40,437 | 2,584 | 2,584 |
| 2007 | $50,986 | 3,163 | 3,163 |
| 2008 | $80,126 | 18,104 | 18,104 |
| 2009 | $44,186 | 2,967 | 2,967 |
| 2010 | $167,760 | 73,196 | 73,196 |
| 2011 | $34,847 | 1,343 | 1,343 |
Note: Quantity represents Weight in kilograms
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