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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $179,000 | 167,300 | 167,300 |
| 2006 | $415,000 | 297,700 | 297,700 |
| 2007 | $558,000 | 396,700 | 396,700 |
| 2008 | $460,000 | 267,000 | 267,000 |
| 2009 | $393,000 | 227,300 | 227,300 |
| 2010 | $100,000 | 78,000 | 78,000 |
| 2011 | $36,000 | 41,500 | 41,500 |
Note: Quantity represents Weight in kilograms
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