2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $1,000,000 $2,000,000 $3,000,000 $4,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,467,703 | 2,722,141 | 2,722,141 |
| 2006 | $3,210,593 | 2,599,993 | 2,599,993 |
| 2007 | $1,463,822 | 1,062,838 | 1,062,838 |
| 2008 | $2,499,816 | 1,502,733 | 1,502,733 |
| 2009 | $928,767 | 568,546 | 568,546 |
| 2010 | $1,516,338 | 1,074,455 | 1,074,455 |
| 2011 | $851,083 | 536,402 | 536,402 |
Note: Quantity represents Weight in kilograms
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