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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $52,000 | 16,600 | 16,600 |
| 2006 | $131,000 | 44,500 | 44,500 |
| 2007 | $43,000 | 13,500 | 13,500 |
| 2008 | $42,000 | 8,300 | 8,300 |
| 2009 | $59,000 | 15,200 | 15,200 |
| 2010 | $258,000 | 100,000 | 100,000 |
| 2011 | $208,000 | 70,200 | 70,200 |
Note: Quantity represents Weight in kilograms
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