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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,186 | 1,843 | 1,843 |
| 2006 | $7,160 | 338 | 338 |
| 2007 | $58,688 | 6,280 | 6,280 |
| 2008 | $54,431 | 4,318 | 4,318 |
| 2009 | $32,782 | 3,970 | 3,970 |
| 2010 | $25,330 | 5,307 | 5,307 |
| 2011 | $15,952 | 1,781 | 1,781 |
Note: Quantity represents Weight in kilograms
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