2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 $70,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,450 | 8,083 | 8,083 |
| 2006 | $1,054 | 18 | 18 |
| 2007 | $2,740 | 764 | 764 |
| 2008 | $6,203 | 97 | 97 |
| 2009 | $60,414 | 10,067 | 10,067 |
| 2010 | $6,140 | 4,422 | 4,422 |
| 2011 | $22,564 | 5,189 | 5,189 |
Note: Quantity represents Weight in kilograms
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