2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000 $250,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $73,323 | 4,577 | 4,577 |
| 2006 | $114,532 | 7,039 | 7,039 |
| 2007 | $122,690 | 12,963 | 12,963 |
| 2008 | $76,745 | 6,646 | 6,646 |
| 2009 | $48,980 | 5,902 | 5,902 |
| 2010 | $126,678 | 8,163 | 8,163 |
| 2011 | $209,557 | 12,173 | 12,173 |
Note: Quantity represents Weight in kilograms
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