2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000 $40,000 $60,000 $80,000 $100,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,294 | 2,319 | 0 |
| 2006 | $10,348 | 5,260 | 0 |
| 2007 | $10,098 | 8,611 | 2,045 |
| 2008 | $9,353 | 4,363 | 0 |
| 2009 | $25,591 | 8,826 | 4,927 |
| 2010 | $74,374 | 19,902 | 14,039 |
| 2011 | $30,574 | 9,430 | 5,900 |
Note: Quantity represents No Quantity
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