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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $378,000 | 50,800 | 50,800 |
| 2006 | $265,000 | 24,500 | 24,500 |
| 2007 | $189,000 | 8,700 | 8,700 |
| 2008 | $223,000 | 9,800 | 9,800 |
| 2009 | $124,000 | 5,500 | 5,500 |
| 2010 | $68,000 | 2,600 | 2,600 |
| 2011 | $11,000 | 330 | 330 |
Note: Quantity represents Weight in kilograms
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