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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,700 | 280 | 280 |
| 2006 | $4,900 | 187 | 187 |
| 2007 | $118,900 | 10,278 | 10,278 |
| 2008 | $279,900 | 32,589 | 32,589 |
| 2009 | $413,200 | 66,017 | 66,017 |
| 2010 | $739,500 | 96,437 | 96,437 |
| 2011 | $920,700 | 59,889 | 59,889 |
Note: Quantity represents Weight in kilograms
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