2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000 $3,000,000 $3,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $811,073 | 200,740 | 200,740 |
| 2006 | $816,512 | 154,381 | 154,381 |
| 2007 | $1,256,806 | 314,463 | 314,463 |
| 2008 | $2,648,168 | 558,652 | 558,652 |
| 2009 | $1,578,988 | 268,751 | 268,751 |
| 2010 | $1,979,890 | 300,769 | 300,769 |
| 2011 | $3,077,763 | 412,430 | 412,430 |
Note: Quantity represents Weight in kilograms
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