2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000 $40,000 $60,000 $80,000 $100,000 $120,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $65,766 | 5,121 | 5,121 |
| 2006 | $87,406 | 6,897 | 6,897 |
| 2007 | $92,989 | 7,375 | 7,375 |
| 2008 | $87,284 | 6,921 | 6,921 |
| 2009 | $64,842 | 5,703 | 5,703 |
| 2010 | $42,264 | 4,621 | 4,621 |
| 2011 | $51,210 | 7,127 | 7,127 |
Note: Quantity represents Weight in kilograms
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