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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $49,275 | 43,141 | 43,141 |
| 2006 | $53,370 | 36,981 | 36,981 |
| 2007 | $32,168 | 34,161 | 34,161 |
| 2008 | $40,221 | 32,165 | 32,165 |
| 2009 | $36,076 | 38,998 | 38,998 |
| 2010 | $51,851 | 37,692 | 37,692 |
| 2011 | $39,751 | 28,305 | 28,305 |
Note: Quantity represents Weight in kilograms
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