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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $92,906 | 4,173 | 4,173 |
| 2006 | $45,957 | 2,096 | 2,096 |
| 2007 | $48,996 | 6,102 | 6,102 |
| 2008 | $47,111 | 3,255 | 3,255 |
| 2009 | $36,515 | 3,320 | 3,320 |
| 2010 | $102,729 | 7,930 | 7,930 |
| 2011 | $71,094 | 2,599 | 2,599 |
Note: Quantity represents Weight in kilograms
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