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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,057 | 19,253 | 19,253 |
| 2006 | $365 | 463 | 463 |
| 2007 | $17,626 | 2,498 | 2,498 |
| 2008 | $7,681 | 6,278 | 6,278 |
| 2009 | $36,968 | 25,512 | 25,512 |
| 2010 | $32,793 | 30,592 | 30,592 |
| 2011 | $4,890 | 2,081 | 2,081 |
Note: Quantity represents Weight in kilograms
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