2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000 $250,000 $300,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $98,500 | 51,725 | 51,725 |
| 2006 | $56,687 | 18,471 | 18,471 |
| 2007 | $150,284 | 54,648 | 54,648 |
| 2008 | $170,246 | 50,842 | 50,842 |
| 2009 | $186,928 | 66,482 | 66,482 |
| 2010 | $167,901 | 60,315 | 60,315 |
| 2011 | $239,109 | 63,988 | 63,988 |
Note: Quantity represents Weight in kilograms
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