2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $40,919 | 11,454 | 11,454 |
| 2006 | $72,001 | 6,271 | 6,271 |
| 2007 | $37,443 | 3,156 | 3,156 |
| 2008 | $77,192 | 4,302 | 4,302 |
| 2009 | $174,726 | 4,195 | 4,195 |
| 2010 | $127,785 | 8,344 | 8,344 |
| 2011 | $91,275 | 9,134 | 9,134 |
Note: Quantity represents Weight in kilograms
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