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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,800 | 3,668 | 3,668 |
| 2006 | $64,000 | 27,332 | 27,332 |
| 2007 | $88,900 | 23,489 | 23,489 |
| 2008 | $64,400 | 10,713 | 10,713 |
| 2009 | $27,100 | 7,804 | 7,804 |
| 2010 | $103,400 | 20,174 | 20,174 |
| 2011 | $241,600 | 39,898 | 39,898 |
Note: Quantity represents Weight in kilograms
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