2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000 $1,000,000 $1,200,000 $1,400,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $266,399 | 41,857 | 41,857 |
| 2006 | $203,226 | 33,693 | 33,693 |
| 2007 | $772,287 | 175,885 | 175,885 |
| 2008 | $751,059 | 230,830 | 230,830 |
| 2009 | $526,290 | 139,167 | 139,167 |
| 2010 | $810,208 | 243,984 | 243,984 |
| 2011 | $1,117,859 | 201,061 | 201,061 |
Note: Quantity represents Weight in kilograms
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