2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000 $3,000,000 $3,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $59,141 | 148 | 148 |
| 2006 | $55,899 | 52 | 52 |
| 2007 | $55,557 | 59 | 59 |
| 2008 | $247,832 | 325 | 325 |
| 2009 | $482,644 | 1,373 | 1,373 |
| 2010 | $3,133,900 | 13,690 | 13,690 |
| 2011 | $441,703 | 848 | 848 |
Note: Quantity represents Weight in kilograms
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