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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,585 | 30,264 | 30,264 |
| 2006 | $102,397 | 40,221 | 40,221 |
| 2007 | $217,885 | 47,490 | 47,490 |
| 2008 | $99,770 | 26,209 | 26,209 |
| 2009 | $77,213 | 33,209 | 33,209 |
| 2010 | $150,316 | 37,469 | 37,469 |
| 2011 | $111,316 | 26,375 | 26,375 |
Note: Quantity represents Weight in kilograms
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