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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,300 | 1,296 | 1,296 |
| 2006 | $400 | 46 | 46 |
| 2007 | $36,400 | 18,153 | 18,153 |
| 2008 | $5,600 | 607 | 607 |
| 2009 | $33,000 | 27,482 | 27,482 |
| 2010 | $154,200 | 149,974 | 149,974 |
| 2011 | $88,000 | 71,486 | 71,486 |
Note: Quantity represents Weight in kilograms
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