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 | $85,108 | 52,758 | 52,758 |
| 2006 | $123,892 | 54,024 | 54,024 |
| 2007 | $92,819 | 24,062 | 24,062 |
| 2008 | $119,425 | 54,606 | 54,606 |
| 2009 | $122,448 | 46,274 | 46,274 |
| 2010 | $139,305 | 37,764 | 37,764 |
| 2011 | $139,940 | 21,846 | 21,846 |
Note: Quantity represents Weight in kilograms
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