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 | $116,212 | 7,933 | 7,933 |
| 2006 | $146,284 | 7,209 | 7,209 |
| 2007 | $307,643 | 8,462 | 8,462 |
| 2008 | $393,006 | 12,377 | 12,377 |
| 2009 | $215,343 | 6,043 | 6,043 |
| 2010 | $289,845 | 8,009 | 8,009 |
| 2011 | $414,843 | 14,799 | 14,799 |
Note: Quantity represents Weight in kilograms
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