2004 2005 2006 2007 2008 2009 2010 2011 $0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 $70,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $61,212 | 4,596 | 4,596 |
| 2006 | $45,062 | 6,043 | 6,043 |
| 2007 | $53,945 | 18,376 | 18,376 |
| 2008 | $41,565 | 7,390 | 7,390 |
| 2009 | $62,544 | 5,891 | 5,891 |
| 2010 | $45,313 | 6,040 | 6,040 |
Note: Quantity represents Weight in kilograms
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