2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $5,000 $10,000 $15,000 $20,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,092 | 1,910 | 1,910 |
| 2006 | $7,356 | 855 | 855 |
| 2007 | $8,864 | 1,179 | 1,179 |
| 2008 | $5,625 | 903 | 903 |
| 2009 | $4,520 | 1,245 | 1,245 |
| 2010 | $16,542 | 6,560 | 6,560 |
| 2011 | $884 | 126 | 126 |
Note: Quantity represents Weight in kilograms
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