2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $10,000 $20,000 $30,000 $40,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,876 | 7,148 | 7,148 |
| 2006 | $29,728 | 7,712 | 7,712 |
| 2007 | $29,836 | 13,535 | 13,535 |
| 2008 | $33,551 | 5,976 | 5,976 |
| 2009 | $31,383 | 10,177 | 10,177 |
| 2010 | $15,701 | 4,977 | 4,977 |
| 2011 | $30,314 | 22,366 | 22,366 |
Note: Quantity represents Weight in kilograms
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