2004 2005 2006 2007 2008 2009 2011 2012 $0 $2,000 $4,000 $6,000 $8,000 $10,000 $12,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,561 | 14,900 | 14,900 |
| 2006 | $6,861 | 8,831 | 8,831 |
| 2007 | $9,211 | 13,106 | 13,106 |
| 2008 | $3,927 | 6,000 | 6,000 |
| 2009 | $2,039 | 2,705 | 2,705 |
| 2011 | $302 | 179 | 179 |
Note: Quantity represents Weight in kilograms
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