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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,384,030 | 18,096 | 18,096 |
| 2006 | $23,865,137 | 29,110 | 29,110 |
| 2007 | $44,711,915 | 43,338 | 43,338 |
| 2008 | $48,850,245 | 36,237 | 36,237 |
| 2009 | $58,441,608 | 25,355 | 25,355 |
| 2010 | $472,505,745 | 592,423 | 592,423 |
| 2011 | $546,432,275 | 781,684 | 781,684 |
Note: Quantity represents Weight in kilograms
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