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 | $140 | 25 | 25 |
| 2006 | $12,600 | 41 | 41 |
| 2007 | $118,310 | 100,531 | 100,531 |
| 2008 | $130,417 | 114,989 | 114,989 |
| 2009 | $93,069 | 66,627 | 66,627 |
| 2010 | $179,641 | 113,526 | 113,526 |
| 2011 | $287,390 | 245,655 | 245,655 |
Note: Quantity represents Weight in kilograms
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