2004 2005 2006 2007 2008 2009 2010 2011 $0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 $70,000 $80,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $820 | 631 | 631 |
| 2006 | $35,740 | 10,852 | 10,852 |
| 2007 | $63,986 | 17,280 | 17,280 |
| 2008 | $1,625 | 850 | 850 |
| 2009 | $4,470 | 2,938 | 2,938 |
| 2010 | $4,110 | 2,444 | 2,444 |
Note: Quantity represents Weight in kilograms
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