2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000 $700,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $290,000 | 25,087 | 25,087 |
| 2006 | $63,558 | 12,855 | 12,855 |
| 2007 | $321,009 | 37,067 | 37,067 |
| 2008 | $457,728 | 8,215 | 8,215 |
| 2009 | $365,622 | 28,410 | 28,410 |
| 2010 | $226,618 | 30,464 | 30,464 |
| 2011 | $607,915 | 44,375 | 44,375 |
Note: Quantity represents Weight in kilograms
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