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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $405,595 | 15,625 | 15,625 |
| 2006 | $304,815 | 11,603 | 11,603 |
| 2007 | $199,204 | 8,037 | 8,037 |
| 2008 | $159,293 | 8,935 | 8,935 |
| 2009 | $167,855 | 13,094 | 13,094 |
| 2010 | $140,162 | 0 | 0 |
| 2011 | $153,497 | 8,254 | 8,254 |
Note: Quantity represents Weight in kilograms
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