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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,110 | 15,835 | 15,835 |
| 2006 | $48,956 | 31,548 | 31,548 |
| 2007 | $235,571 | 126,590 | 126,590 |
| 2008 | $107,013 | 66,206 | 66,206 |
| 2009 | $321,095 | 435,690 | 435,690 |
| 2010 | $297,475 | 273,639 | 273,639 |
| 2011 | $294,591 | 281,347 | 281,347 |
Note: Quantity represents Weight in kilograms
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