2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000 $40,000 $60,000 $80,000 $100,000 $120,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,491 | 507 | 507 |
| 2006 | $1,648 | 288 | 288 |
| 2007 | $3,212 | 216 | 216 |
| 2008 | $93,179 | 13,511 | 13,511 |
| 2009 | $33,404 | 3,973 | 3,973 |
| 2010 | $9,165 | 1,074 | 1,074 |
| 2011 | $200 | 18 | 18 |
Note: Quantity represents Weight in kilograms
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