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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,378,000 | 267,100 | 267,100 |
| 2006 | $1,209,000 | 297,100 | 297,100 |
| 2007 | $1,274,000 | 292,600 | 292,600 |
| 2008 | $1,188,000 | 260,500 | 260,500 |
| 2009 | $758,000 | 255,100 | 255,100 |
| 2010 | $870,000 | 239,600 | 239,600 |
| 2011 | $2,953,000 | 1,471,900 | 1,471,900 |
Note: Quantity represents Weight in kilograms
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