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 | $278,756 | 47,259 | 47,259 |
| 2006 | $303,472 | 46,988 | 46,988 |
| 2007 | $354,597 | 55,876 | 55,876 |
| 2008 | $402,430 | 52,936 | 52,936 |
| 2009 | $311,509 | 41,831 | 41,831 |
| 2010 | $285,171 | 39,230 | 39,230 |
| 2011 | $384,775 | 44,375 | 44,375 |
Note: Quantity represents Weight in kilograms
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