2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,722 | 21,527 | 21,527 |
| 2006 | $38,858 | 87,660 | 87,660 |
| 2007 | $16,223 | 31,235 | 31,235 |
| 2008 | $43,455 | 89,819 | 89,819 |
| 2009 | $28,456 | 39,045 | 39,045 |
| 2010 | $296,273 | 842,437 | 842,437 |
| 2011 | $425,369 | 1,209,257 | 1,209,257 |
Note: Quantity represents Weight in kilograms
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