2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $131,027 | 123,000 | 123,000 |
| 2006 | $68,037 | 76,766 | 76,766 |
| 2007 | $109,313 | 91,747 | 91,747 |
| 2008 | $149,974 | 103,746 | 103,746 |
| 2009 | $189,278 | 150,838 | 150,838 |
| 2010 | $329,591 | 248,469 | 248,469 |
| 2011 | $349,707 | 242,964 | 242,964 |
Note: Quantity represents Weight in kilograms
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