2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $52,210 | 9,475 | 9,475 |
| 2006 | $60,793 | 6,948 | 6,948 |
| 2007 | $77,208 | 9,570 | 9,570 |
| 2008 | $82,819 | 8,779 | 8,779 |
| 2009 | $87,127 | 11,605 | 11,605 |
| 2010 | $87,286 | 13,889 | 13,889 |
| 2011 | $148,770 | 21,226 | 21,226 |
Note: Quantity represents Weight in kilograms
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