2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000 $250,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,714 | 58,693 | 58,693 |
| 2006 | $32,521 | 39,776 | 39,776 |
| 2007 | $11,945 | 5,963 | 5,963 |
| 2008 | $201,229 | 133,224 | 133,224 |
| 2009 | $166,055 | 114,743 | 114,743 |
| 2010 | $127,443 | 75,510 | 75,510 |
| 2011 | $82,033 | 43,348 | 43,348 |
Note: Quantity represents Weight in kilograms
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