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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $37,696 | 6,819 | 6,819 |
| 2006 | $29,172 | 8,119 | 8,119 |
| 2007 | $36,077 | 10,959 | 10,959 |
| 2008 | $34,934 | 10,980 | 10,980 |
| 2009 | $71,882 | 56,489 | 56,489 |
| 2010 | $41,809 | 9,496 | 9,496 |
| 2011 | $39,000 | 7,751 | 7,751 |
Note: Quantity represents Weight in kilograms
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