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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,600 | 25,130 | 25,130 |
| 2006 | $70,600 | 36,847 | 36,847 |
| 2007 | $51,600 | 24,917 | 24,917 |
| 2008 | $54,500 | 26,885 | 26,885 |
| 2009 | $34,100 | 17,492 | 17,492 |
| 2010 | $8,600 | 4,775 | 4,775 |
| 2011 | $43,800 | 20,833 | 20,833 |
Note: Quantity represents Weight in kilograms
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