2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000 $1,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $125,908 | 15,163 | 15,163 |
| 2006 | $525,236 | 29,046 | 29,046 |
| 2007 | $355,936 | 43,104 | 43,104 |
| 2008 | $448,426 | 56,313 | 56,313 |
| 2009 | $421,286 | 56,663 | 56,663 |
| 2010 | $497,512 | 62,968 | 62,968 |
| 2011 | $774,258 | 74,854 | 74,854 |
Note: Quantity represents Weight in kilograms
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