2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $453,434 | 19,577 | 19,577 |
| 2006 | $285,253 | 26,214 | 26,214 |
| 2007 | $39,120 | 1,068 | 1,068 |
| 2008 | $15,968 | 341 | 341 |
| 2009 | $191,837 | 55,871 | 55,871 |
| 2010 | $514,799 | 64,951 | 64,951 |
| 2011 | $516,512 | 38,072 | 38,072 |
Note: Quantity represents Weight in kilograms
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