2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $10,000,000 $20,000,000 $30,000,000 $40,000,000 $50,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $166,798 | 4,140 | 66 |
| 2006 | $3,222,990 | 82,000 | 31 |
| 2007 | $252,591 | 3,007 | 687 |
| 2008 | $430,367 | 5,679 | 251 |
| 2009 | $177,317 | 2,108 | 15 |
| 2010 | $4,057,249 | 6,000 | 113 |
| 2011 | $41,081,933 | 32,142 | 420 |
Note: Quantity represents Number of items
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