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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,600 | 1,189 | 1,189 |
| 2006 | $51,800 | 28,550 | 28,550 |
| 2007 | $44,700 | 32,806 | 32,806 |
| 2008 | $60,100 | 1,491 | 1,491 |
| 2009 | $7,400 | 545 | 545 |
| 2010 | $26,400 | 35,155 | 35,155 |
| 2011 | $21,300 | 520 | 520 |
Note: Quantity represents Weight in kilograms
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