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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,500 | 13,918 | 13,918 |
| 2006 | $24,900 | 27,849 | 27,849 |
| 2007 | $55,000 | 29,902 | 29,902 |
| 2008 | $89,300 | 34,831 | 34,831 |
| 2009 | $68,600 | 28,743 | 28,743 |
| 2010 | $94,200 | 38,332 | 38,332 |
| 2011 | $60,200 | 24,060 | 24,060 |
Note: Quantity represents Weight in kilograms
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