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 | $29,442 | 4,873 | 0 |
| 2006 | $46,112 | 8,707 | 0 |
| 2007 | $52,787 | 8,037 | 10,691 |
| 2008 | $63,183 | 11,265 | 0 |
| 2009 | $31,145 | 4,695 | 5,997 |
| 2010 | $109,975 | 13,209 | 20,759 |
| 2011 | $156,902 | 17,476 | 30,279 |
Note: Quantity represents No Quantity
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