2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000 $250,000 $300,000 $350,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $297,180 | 114,734 | 114,734 |
| 2006 | $52,188 | 53,649 | 53,649 |
| 2007 | $15,114 | 28,443 | 28,443 |
| 2008 | $316,992 | 241,959 | 241,959 |
| 2009 | $257,729 | 42,766 | 42,766 |
| 2010 | $136,059 | 44,998 | 44,998 |
| 2011 | $225,342 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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