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 | $837,283 | 83,842 | 83,842 |
| 2006 | $412,945 | 91,819 | 91,819 |
| 2007 | $254,141 | 125,558 | 125,558 |
| 2008 | $720,949 | 361,949 | 361,949 |
| 2009 | $113,604 | 69,115 | 69,115 |
| 2010 | $95,222 | 52,714 | 52,714 |
| 2011 | $81,541 | 39,594 | 39,594 |
Note: Quantity represents Weight in kilograms
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