2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $5,000 $10,000 $15,000 $20,000 $25,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,370 | 712 | 712 |
| 2006 | $5,087 | 1,392 | 1,392 |
| 2007 | $4,101 | 1,426 | 1,426 |
| 2008 | $21,957 | 3,706 | 3,706 |
| 2009 | $11,700 | 30,566 | 30,566 |
| 2010 | $4,271 | 143 | 143 |
| 2011 | $6,029 | 2,164 | 2,164 |
Note: Quantity represents Weight in kilograms
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