2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $1,000,000 $2,000,000 $3,000,000 $4,000,000 $5,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,651,844 | 479,969 | 479,969 |
| 2006 | $3,133,366 | 577,289 | 577,289 |
| 2007 | $2,235,487 | 391,314 | 391,314 |
| 2008 | $4,507,236 | 548,667 | 548,667 |
| 2009 | $2,913,250 | 430,668 | 430,668 |
| 2010 | $3,546,219 | 393,360 | 393,360 |
| 2011 | $3,500,242 | 515,702 | 515,702 |
Note: Quantity represents Weight in kilograms
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