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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,345 | 15,202 | 15,202 |
| 2006 | $26,967 | 27,894 | 27,894 |
| 2007 | $50,991 | 35,530 | 35,530 |
| 2008 | $20,666 | 13,144 | 13,144 |
| 2009 | $49,060 | 21,430 | 21,430 |
| 2010 | $48,647 | 32,285 | 32,285 |
| 2011 | $48,967 | 41,988 | 41,988 |
Note: Quantity represents Weight in kilograms
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