2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000 $700,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $98,292 | 15,187 | 0 |
| 2006 | $131,767 | 38,395 | 0 |
| 2007 | $249,717 | 52,357 | 50,575 |
| 2008 | $288,559 | 54,130 | 0 |
| 2009 | $195,587 | 20,161 | 37,659 |
| 2010 | $314,320 | 30,112 | 59,332 |
| 2011 | $577,472 | 51,589 | 111,442 |
Note: Quantity represents No Quantity
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