2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $10,000 $20,000 $30,000 $40,000 $50,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28 | 4 | 4 |
| 2006 | $3,142 | 76 | 76 |
| 2007 | $876 | 30 | 30 |
| 2008 | $4,351 | 297 | 297 |
| 2009 | $38,199 | 1,491 | 1,491 |
| 2010 | $22,447 | 1,026 | 1,026 |
| 2011 | $4,037 | 227 | 227 |
Note: Quantity represents Weight in kilograms
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