2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $564,254 | 3,158,567 | 3,158,567 |
| 2006 | $201,636 | 889,880 | 889,880 |
| 2007 | $384,966 | 1,465,212 | 1,465,212 |
| 2008 | $561,682 | 1,911,570 | 1,911,570 |
| 2009 | $1,054,137 | 3,860,526 | 3,860,526 |
| 2010 | $1,767,387 | 5,918,781 | 5,918,781 |
| 2011 | $1,433,096 | 5,478,929 | 5,478,929 |
Note: Quantity represents Weight in kilograms
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