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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,200 | 96 | 96 |
| 2006 | $8,700 | 1,164 | 1,164 |
| 2007 | $17,200 | 863 | 863 |
| 2008 | $28,000 | 5,375 | 5,375 |
| 2009 | $28,700 | 7,052 | 7,052 |
| 2010 | $91,500 | 31,009 | 31,009 |
| 2011 | $83,500 | 31,306 | 31,306 |
Note: Quantity represents Weight in kilograms
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