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 | $68,272 | 48,387 | 48,387 |
| 2006 | $100,989 | 67,060 | 67,060 |
| 2007 | $89,004 | 50,477 | 50,477 |
| 2008 | $189,653 | 96,889 | 96,889 |
| 2009 | $177,066 | 87,673 | 87,673 |
| 2010 | $412,086 | 216,969 | 216,969 |
| 2011 | $247,987 | 123,404 | 123,404 |
Note: Quantity represents Weight in kilograms
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