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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,476 | 19,750 | 19,750 |
| 2006 | $38,161 | 15,940 | 15,940 |
| 2007 | $6,001 | 2,200 | 2,200 |
| 2008 | $32,025 | 8,500 | 8,500 |
| 2009 | $30,820 | 8,900 | 8,900 |
| 2010 | $70,110 | 19,000 | 19,000 |
| 2011 | $100,963 | 20,502 | 20,502 |
Note: Quantity represents Weight in kilograms
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