2004 2005 2006 2007 2008 2010 2011 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000 $700,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,007 | 1,037 | 1,037 |
| 2006 | $32,890 | 4,329 | 4,329 |
| 2007 | $41,718 | 5,428 | 5,428 |
| 2008 | $160,592 | 2,233 | 2,233 |
| 2010 | $548,599 | 893 | 893 |
Note: Quantity represents Weight in kilograms
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