2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000 $40,000 $60,000 $80,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $46,000 | 190,133 | 190,133 |
| 2006 | $16,658 | 53,553 | 53,553 |
| 2007 | $25,762 | 58,159 | 58,159 |
| 2008 | $28,515 | 61,144 | 61,144 |
| 2009 | $50,963 | 117,109 | 117,109 |
| 2010 | $33,692 | 69,062 | 69,062 |
| 2011 | $66,333 | 131,762 | 131,762 |
Note: Quantity represents Weight in kilograms
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