2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $603,181 | 171,221 | 171,221 |
| 2006 | $342,195 | 51,134 | 51,134 |
| 2007 | $1,332,775 | 77,906 | 77,906 |
| 2008 | $782,958 | 516,206 | 516,206 |
| 2009 | $77,298 | 3,946 | 3,946 |
| 2010 | $209,516 | 21,624 | 21,624 |
| 2011 | $421,470 | 32,035 | 32,035 |
Note: Quantity represents Weight in kilograms
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