2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $68,461 | 4,673 | 4,673 |
| 2006 | $52,886 | 2,606 | 2,606 |
| 2007 | $91,509 | 2,517 | 2,517 |
| 2008 | $167,909 | 5,288 | 5,288 |
| 2009 | $99,408 | 2,790 | 2,790 |
| 2010 | $398,386 | 11,009 | 11,009 |
| 2011 | $445,773 | 16,497 | 16,497 |
Note: Quantity represents Weight in kilograms
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