2004 2005 2006 2007 2008 2009 2010 $0 $10,000 $20,000 $30,000 $40,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $29,637 | 763 | 763 |
| 2006 | $13,616 | 504 | 504 |
| 2007 | $27,309 | 528 | 528 |
| 2008 | $35,640 | 710 | 710 |
| 2009 | $29,528 | 548 | 548 |
Note: Quantity represents Weight in kilograms
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