2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000 $250,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $106,592 | 52,176 | 52,176 |
| 2006 | $128,727 | 59,522 | 59,522 |
| 2007 | $110,436 | 45,678 | 45,678 |
| 2008 | $157,488 | 56,745 | 56,745 |
| 2009 | $35,681 | 10,272 | 10,272 |
| 2010 | $76,333 | 29,811 | 29,811 |
| 2011 | $181,907 | 59,961 | 59,961 |
Note: Quantity represents Weight in kilograms
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