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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,400 | 660 | 660 |
| 2006 | $35,400 | 1,332 | 1,332 |
| 2007 | $50,600 | 5,906 | 5,906 |
| 2008 | $198,600 | 22,989 | 22,989 |
| 2009 | $37,700 | 3,013 | 3,013 |
| 2010 | $239,600 | 5,512 | 5,512 |
| 2011 | $101,200 | 2,738 | 2,738 |
Note: Quantity represents Weight in kilograms
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