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 | $910 | 288 | 288 |
| 2006 | $24,095 | 9,037 | 9,037 |
| 2007 | $100,665 | 71,696 | 71,696 |
| 2008 | $147,050 | 97,181 | 97,181 |
| 2009 | $118,373 | 67,317 | 67,317 |
| 2010 | $38,929 | 20,881 | 20,881 |
| 2011 | $268 | 48 | 48 |
Note: Quantity represents Weight in kilograms
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