2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $67,680 | 1,090 | 9,518 |
| 2006 | $178,024 | 954 | 17,466 |
| 2007 | $85,040 | 869 | 10,542 |
| 2008 | $97,423 | 488 | 8,047 |
| 2009 | $37,724 | 295 | 496 |
| 2010 | $145,207 | 774 | 1,599 |
| 2011 | $420,581 | 1,413 | 2,569 |
Note: Quantity represents Number of items
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