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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,996 | 3,896 | 3,896 |
| 2006 | $16,452 | 2,108 | 2,108 |
| 2007 | $14,826 | 1,081 | 1,081 |
| 2008 | $11,172 | 4,369 | 4,369 |
| 2009 | $10,879 | 5,662 | 5,662 |
| 2010 | $8,767 | 393 | 393 |
| 2011 | $15,279 | 2,311 | 2,311 |
Note: Quantity represents Weight in kilograms
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