2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $483,455 | 15,157 | 15,157 |
| 2006 | $178,157 | 5,524 | 5,524 |
| 2007 | $371,594 | 9,889 | 9,889 |
| 2008 | $434,945 | 12,988 | 12,988 |
| 2009 | $200,867 | 10,148 | 10,148 |
| 2010 | $304,081 | 9,362 | 9,362 |
| 2011 | $231,917 | 6,928 | 6,928 |
Note: Quantity represents Weight in kilograms
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