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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $40,581 | 2,488 | 2,488 |
| 2006 | $76,279 | 13,442 | 13,442 |
| 2007 | $79,064 | 27,782 | 27,782 |
| 2008 | $111,889 | 43,934 | 43,934 |
| 2009 | $139,760 | 20,332 | 20,332 |
| 2010 | $100,253 | 12,249 | 12,249 |
| 2011 | $45,056 | 13,873 | 13,873 |
Note: Quantity represents Weight in kilograms
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