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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $85 | 35 | 35 |
| 2006 | $7,758 | 3,599 | 3,599 |
| 2007 | $60,100 | 30,608 | 30,608 |
| 2008 | $34,837 | 17,332 | 17,332 |
| 2009 | $46,882 | 24,693 | 24,693 |
| 2010 | $44,824 | 20,566 | 20,566 |
| 2011 | $25,435 | 10,340 | 10,340 |
Note: Quantity represents Weight in kilograms
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