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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $54,056 | 2,734 | 0 |
| 2006 | $102,385 | 5,179 | 0 |
| 2007 | $96,356 | 4,076 | 168,215 |
| 2008 | $186,528 | 7,229 | 282,319 |
| 2009 | $99,000 | 3,901 | 138,864 |
| 2010 | $19,655 | 682 | 27,975 |
| 2011 | $97,013 | 3,775 | 136,078 |
Note: Quantity represents No Quantity
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