2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000 $1,000,000 $1,200,000 $1,400,000 $1,600,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,525 | 668 | 668 |
| 2006 | $52,101 | 4,630 | 4,630 |
| 2007 | $14,484 | 831 | 831 |
| 2008 | $219,834 | 16,942 | 16,942 |
| 2009 | $982,155 | 58,646 | 58,646 |
| 2010 | $1,183,221 | 98,619 | 98,619 |
| 2011 | $1,280,872 | 107,022 | 107,022 |
Note: Quantity represents Weight in kilograms
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