2004 2005 2006 2007 2008 2009 2010 2011 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $136,809 | 72,467 | 72,467 |
| 2006 | $106,295 | 45,400 | 45,400 |
| 2007 | $224,373 | 84,410 | 84,410 |
| 2008 | $205,369 | 69,600 | 69,600 |
| 2009 | $278,893 | 103,142 | 103,142 |
| 2010 | $491,291 | 194,383 | 194,383 |
Note: Quantity represents Weight in kilograms
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