2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $111,811 | 10,509 | 77 |
| 2006 | $658,288 | 61,870 | 16 |
| 2007 | $586,938 | 47,358 | 255 |
| 2008 | $76,308 | 5,494 | 5 |
| 2009 | $54,770 | 3,373 | 9 |
| 2010 | $69,861 | 5,490 | 12 |
| 2011 | $124,139 | 9,143 | 17 |
Note: Quantity represents Number of items
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