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 | $4,514,857 | 200,727 | 200,727 |
| 2006 | $2,271,789 | 84,457 | 84,457 |
| 2007 | $3,026,776 | 110,247 | 110,247 |
| 2008 | $3,659,825 | 111,739 | 111,739 |
| 2009 | $3,631,900 | 109,326 | 109,326 |
| 2010 | $2,351,003 | 70,289 | 70,289 |
| 2011 | $3,419,530 | 57,731 | 57,731 |
Note: Quantity represents Weight in kilograms
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