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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,727 | 15,443 | 15,443 |
| 2006 | $64,908 | 39,237 | 39,237 |
| 2007 | $25,784 | 8,047 | 8,047 |
| 2008 | $52,920 | 24,977 | 24,977 |
| 2009 | $70,178 | 29,024 | 29,024 |
| 2010 | $90,795 | 54,212 | 54,212 |
| 2011 | $96,845 | 71,550 | 71,550 |
Note: Quantity represents Weight in kilograms
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