2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,839 | 2,168 | 72 |
| 2006 | $44,535 | 11,410 | 584 |
| 2007 | $73,350 | 6,472 | 204 |
| 2008 | $169,760 | 28,555 | 8,306 |
| 2009 | $63,119 | 4,073 | 433 |
| 2010 | $59,890 | 5,625 | 133 |
| 2011 | $88,655 | 11,282 | 1,091 |
Note: Quantity represents Number of items
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