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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $123,311 | 97,316 | 97,316 |
| 2006 | $61,732 | 49,345 | 49,345 |
| 2007 | $50,674 | 27,509 | 27,509 |
| 2008 | $166,997 | 81,100 | 81,100 |
| 2009 | $164,860 | 116,200 | 116,200 |
| 2010 | $43,832 | 14,200 | 14,200 |
Note: Quantity represents Weight in kilograms
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