2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $89,612 | 25,397 | 25,397 |
| 2006 | $152,248 | 23,865 | 23,865 |
| 2007 | $212,761 | 25,580 | 25,580 |
| 2008 | $276,557 | 44,337 | 44,337 |
| 2009 | $148,747 | 29,993 | 29,993 |
| 2010 | $278,504 | 50,250 | 50,250 |
| 2011 | $377,287 | 57,910 | 57,910 |
Note: Quantity represents Weight in kilograms
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