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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,400 | 1,022 | 1,022 |
| 2006 | $51,600 | 5,749 | 5,749 |
| 2007 | $78,300 | 4,339 | 4,339 |
| 2008 | $125,300 | 6,156 | 6,156 |
| 2009 | $164,500 | 12,487 | 12,487 |
| 2010 | $428,000 | 36,741 | 36,741 |
| 2011 | $585,400 | 43,580 | 43,580 |
Note: Quantity represents Weight in kilograms
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