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
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $553,667 | 804,352 | 804,352 |
| 2006 | $738,174 | 956,188 | 956,188 |
| 2007 | $1,372,221 | 1,410,952 | 1,410,952 |
| 2008 | $1,692,779 | 1,401,685 | 1,401,685 |
| 2009 | $1,903,286 | 1,676,505 | 1,676,505 |
| 2010 | $2,177,693 | 2,301,106 | 2,301,106 |
| 2011 | $2,492,426 | 2,273,631 | 2,273,631 |
Note: Quantity represents Weight in kilograms
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