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 | $232,177 | 609,000 | 609,000 |
| 2006 | $393,826 | 1,116,770 | 1,116,770 |
| 2007 | $296,050 | 778,068 | 778,068 |
| 2008 | $322,890 | 494,005 | 494,005 |
| 2009 | $284,311 | 438,608 | 438,608 |
| 2010 | $200,566 | 185,404 | 185,404 |
| 2011 | $173,157 | 53,524 | 53,524 |
Note: Quantity represents Weight in kilograms
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