2004 2005 2006 2007 2008 2009 2011 2012 $0 $20,000 $40,000 $60,000 $80,000 $100,000 $120,000 $140,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,195 | 409 | 409 |
| 2006 | $41,590 | 15,106 | 15,106 |
| 2007 | $119,647 | 34,833 | 34,833 |
| 2008 | $53,395 | 13,917 | 13,917 |
| 2009 | $12,104 | 3,900 | 3,900 |
| 2011 | $1,783 | 324 | 324 |
Note: Quantity represents Weight in kilograms
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