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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $99,756 | 28,049 | 28,049 |
| 2006 | $112,372 | 35,152 | 35,152 |
| 2007 | $86,178 | 26,164 | 26,670 |
| 2008 | $168,314 | 26,951 | 66,736 |
| 2009 | $144,225 | 28,890 | 48,001 |
| 2010 | $129,439 | 26,691 | 50,198 |
| 2011 | $118,468 | 23,367 | 32,663 |
Note: Quantity represents Weight in kilograms
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