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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,555 | 24,384 | 24,384 |
| 2006 | $45,384 | 32,747 | 32,747 |
| 2007 | $32,878 | 24,883 | 24,883 |
| 2008 | $25,514 | 18,024 | 18,024 |
| 2009 | $36,112 | 28,949 | 28,949 |
| 2010 | $31,409 | 13,502 | 13,502 |
| 2011 | $33,653 | 25,602 | 25,602 |
Note: Quantity represents Weight in kilograms
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