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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $49,700 | 8,500 | 8,500 |
| 2006 | $77,000 | 11,768 | 11,768 |
| 2007 | $71,400 | 8,788 | 8,788 |
| 2008 | $69,500 | 7,001 | 7,001 |
| 2009 | $116,800 | 13,131 | 13,131 |
| 2010 | $46,700 | 6,776 | 6,776 |
| 2011 | $300 | 47 | 47 |
Note: Quantity represents Weight in kilograms
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