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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,096 | 4,325 | 4,325 |
| 2006 | $472 | 408 | 408 |
| 2007 | $28,609 | 22,335 | 22,335 |
| 2008 | $32,621 | 34,188 | 34,188 |
| 2009 | $119,310 | 111,173 | 111,173 |
| 2010 | $156,367 | 133,568 | 133,568 |
| 2011 | $284,215 | 185,894 | 185,894 |
Note: Quantity represents Weight in kilograms
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