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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,323 | 1,727 | 1,727 |
| 2006 | $12,168 | 5,098 | 5,098 |
| 2007 | $18,373 | 5,055 | 5,055 |
| 2008 | $34,090 | 21,552 | 21,552 |
| 2009 | $84,228 | 60,404 | 60,404 |
| 2010 | $156,679 | 65,850 | 65,850 |
| 2011 | $113,290 | 65,451 | 65,451 |
Note: Quantity represents Weight in kilograms
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