2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000 $1,000,000 $1,200,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $433,772 | 96,285 | 96,285 |
| 2006 | $592,745 | 134,033 | 134,033 |
| 2007 | $287,476 | 24,657 | 24,657 |
| 2008 | $693,499 | 54,855 | 54,855 |
| 2009 | $710,138 | 46,727 | 46,727 |
| 2010 | $1,038,139 | 67,429 | 67,429 |
| 2011 | $938,930 | 29,618 | 29,618 |
Note: Quantity represents Weight in kilograms
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