2004 2005 2006 2007 2008 2009 2010 2011 $0 $50,000 $100,000 $150,000 $200,000 $250,000 $300,000 $350,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,914 | 4,316 | 4,316 |
| 2006 | $269,968 | 10,048 | 10,048 |
| 2007 | $105,733 | 10,942 | 10,942 |
| 2008 | $31,107 | 3,544 | 3,544 |
| 2009 | $301,383 | 74,022 | 74,022 |
| 2010 | $29,789 | 5,276 | 5,276 |
Note: Quantity represents Weight in kilograms
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