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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,000 | 17,500 | 17,500 |
| 2006 | $134,000 | 1,474,800 | 1,474,800 |
| 2007 | $139,000 | 73,500 | 73,500 |
| 2008 | $758,000 | 173,000 | 173,000 |
| 2009 | $394,000 | 127,800 | 127,800 |
| 2010 | $104,000 | 38,500 | 38,500 |
| 2011 | $274,000 | 87,400 | 87,400 |
Note: Quantity represents Weight in kilograms
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