2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000 $1,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,282 | 6,800 | 6,800 |
| 2006 | $241,024 | 116,667 | 116,667 |
| 2007 | $159,236 | 3,548,340 | 3,548,340 |
| 2008 | $183,446 | 3,856,456 | 3,856,456 |
| 2009 | $144,981 | 4,367,783 | 4,367,783 |
| 2010 | $141,466 | 3,861,738 | 3,861,738 |
| 2011 | $785,825 | 6,111,691 | 6,111,691 |
Note: Quantity represents Weight in kilograms
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