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 | $150,432 | 61,241 | 61,241 |
| 2006 | $188,352 | 62,502 | 62,502 |
| 2007 | $171,475 | 39,250 | 39,250 |
| 2008 | $209,684 | 96,275 | 96,275 |
| 2009 | $329,145 | 86,209 | 86,209 |
| 2010 | $268,829 | 82,520 | 82,520 |
| 2011 | $432,293 | 156,356 | 156,356 |
Note: Quantity represents Weight in kilograms
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