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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $76,700 | 90,000 | 90,000 |
| 2006 | $106,400 | 105,000 | 105,000 |
| 2007 | $79,300 | 75,000 | 75,000 |
| 2008 | $50,100 | 30,000 | 30,000 |
| 2009 | $97,400 | 75,000 | 75,000 |
| 2010 | $92,600 | 60,000 | 60,000 |
| 2011 | $128,200 | 75,000 | 75,000 |
Note: Quantity represents Weight in kilograms
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