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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $59,500 | 3,843 | 3,843 |
| 2006 | $48,500 | 4,182 | 4,182 |
| 2007 | $51,000 | 5,254 | 5,254 |
| 2008 | $317,600 | 25,912 | 25,912 |
| 2009 | $98,300 | 9,006 | 9,006 |
| 2010 | $90,400 | 8,977 | 8,977 |
| 2011 | $42,400 | 2,637 | 2,637 |
Note: Quantity represents Weight in kilograms
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