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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $39,285 | 17,329 | 17,329 |
| 2006 | $32,119 | 18,370 | 18,370 |
| 2007 | $13,853 | 2,764 | 2,764 |
| 2008 | $13,902 | 5,562 | 5,562 |
| 2009 | $32,504 | 29,342 | 29,342 |
| 2010 | $36,975 | 12,758 | 12,758 |
| 2011 | $23,545 | 13,982 | 13,982 |
Note: Quantity represents Weight in kilograms
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