2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,815 | 232 | 232 |
| 2006 | $4,007 | 619 | 619 |
| 2007 | $26,277 | 9,085 | 9,085 |
| 2008 | $25,092 | 2,524 | 2,524 |
| 2009 | $37,049 | 370 | 370 |
| 2010 | $47,720 | 6,986 | 6,986 |
| 2011 | $23,314 | 4,366,164 | 4,366,164 |
Note: Quantity represents Weight in kilograms
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