2004 2005 2006 2007 2008 2009 2010 2011 $0 $2,000 $4,000 $6,000 $8,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35 | 17 | 17 |
| 2006 | $6,659 | 1,445 | 1,445 |
| 2007 | $2,835 | 780 | 780 |
| 2008 | $4,186 | 1,039 | 1,039 |
| 2009 | $3,836 | 776 | 776 |
| 2010 | $5,919 | 1,801 | 1,801 |
Note: Quantity represents Weight in kilograms
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