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 | $328,722 | 31,739 | 31,739 |
| 2006 | $416,080 | 42,529 | 42,529 |
| 2007 | $292,429 | 17,082 | 17,082 |
| 2008 | $330,108 | 13,875 | 13,875 |
| 2009 | $351,614 | 19,391 | 19,391 |
| 2010 | $269,411 | 20,029 | 20,029 |
| 2011 | $318,985 | 24,018 | 24,018 |
Note: Quantity represents Weight in kilograms
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