2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,186,121 | 187,974 | 187,974 |
| 2006 | $984,735 | 173,396 | 173,396 |
| 2007 | $507,798 | 65,396 | 65,396 |
| 2008 | $435,487 | 24,638 | 24,638 |
| 2009 | $735,750 | 51,650 | 51,650 |
| 2010 | $1,529,725 | 99,289 | 99,289 |
| 2011 | $1,332,677 | 147,557 | 147,557 |
Note: Quantity represents Weight in kilograms
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