2004 2005 2006 2007 2008 2009 2010 2011 $0 $100,000 $200,000 $300,000 $400,000 $500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $189,586 | 387,798 | 387,798 |
| 2006 | $370,256 | 555,438 | 555,438 |
| 2007 | $419,312 | 530,132 | 530,132 |
| 2008 | $357,888 | 365,163 | 365,163 |
| 2009 | $163,161 | 275,119 | 275,119 |
| 2010 | $170,526 | 405,000 | 405,000 |
Note: Quantity represents Weight in kilograms
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