2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,691 | 7,909 | 7,909 |
| 2006 | $45,242 | 12,671 | 12,671 |
| 2007 | $173,928 | 33,062 | 33,062 |
| 2008 | $172,223 | 40,889 | 40,889 |
| 2009 | $74,489 | 20,243 | 20,243 |
| 2010 | $150,184 | 35,476 | 35,476 |
| 2011 | $69,464 | 17,725 | 17,725 |
Note: Quantity represents Weight in kilograms
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