2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,021,352 | 44,775 | 44,775 |
| 2006 | $826,914 | 40,402 | 40,402 |
| 2007 | $1,127,040 | 50,138 | 50,138 |
| 2008 | $858,099 | 39,609 | 39,609 |
| 2009 | $842,182 | 45,073 | 45,073 |
| 2010 | $978,859 | 65,899 | 65,899 |
| 2011 | $1,987,577 | 151,270 | 151,270 |
Note: Quantity represents Weight in kilograms
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