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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $62,554 | 25,198 | 25,198 |
| 2006 | $50,123 | 25,733 | 25,733 |
| 2007 | $50,561 | 33,854 | 33,854 |
| 2008 | $42,872 | 25,663 | 25,663 |
| 2009 | $85,996 | 28,941 | 28,941 |
| 2010 | $107,676 | 44,391 | 44,391 |
| 2011 | $77,342 | 40,105 | 40,105 |
Note: Quantity represents Weight in kilograms
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