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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,600 | 2,000 | 2,000 |
| 2006 | $4,700 | 2,404 | 2,404 |
| 2007 | $13,500 | 4,220 | 4,220 |
| 2008 | $8,100 | 3,440 | 3,440 |
| 2009 | $10,500 | 5,009 | 5,009 |
| 2010 | $36,100 | 20,735 | 20,735 |
| 2011 | $56,500 | 31,862 | 31,862 |
Note: Quantity represents Weight in kilograms
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