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 | $1,644 | 3,248 | 3,248 |
| 2006 | $47,089 | 124,945 | 124,945 |
| 2007 | $40,793 | 112,023 | 112,023 |
| 2008 | $144,609 | 360,192 | 360,192 |
| 2009 | $50,756 | 63,126 | 63,126 |
| 2010 | $17,812 | 25,431 | 25,431 |
| 2011 | $24,431 | 49,820 | 49,820 |
Note: Quantity represents Weight in kilograms
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