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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,903 | 3,437 | 3,437 |
| 2006 | $29,516 | 9,768 | 9,768 |
| 2007 | $44,190 | 14,636 | 14,636 |
| 2008 | $47,264 | 24,174 | 24,174 |
| 2009 | $74,874 | 17,324 | 17,324 |
| 2010 | $146,882 | 39,570 | 39,570 |
| 2011 | $100,821 | 15,320 | 15,320 |
Note: Quantity represents Weight in kilograms
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