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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,296 | 3,904 | 3,904 |
| 2006 | $17,345 | 3,640 | 3,640 |
| 2007 | $26,316 | 4,939 | 4,939 |
| 2008 | $35,382 | 5,299 | 5,299 |
| 2009 | $54,978 | 7,812 | 7,812 |
| 2010 | $53,099 | 12,856 | 12,856 |
| 2011 | $79,522 | 16,891 | 16,891 |
Note: Quantity represents Weight in kilograms
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