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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $38,100 | 15,800 | 15,800 |
| 2006 | $14,000 | 4,482 | 4,482 |
| 2007 | $33,700 | 19,679 | 19,679 |
| 2008 | $71,800 | 16,412 | 16,412 |
| 2009 | $18,200 | 3,405 | 3,405 |
| 2010 | $25,300 | 3,299 | 3,299 |
| 2011 | $12,700 | 2,286 | 2,286 |
Note: Quantity represents Weight in kilograms
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