2004 2005 2006 2007 2008 2009 2010 2011 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,685,097 | 68,316 | 68,316 |
| 2006 | $1,469,486 | 31,825 | 31,825 |
| 2007 | $1,298,489 | 29,350 | 29,350 |
| 2008 | $2,172,629 | 44,938 | 44,938 |
| 2009 | $1,181,703 | 75,487 | 75,487 |
| 2010 | $1,237,945 | 32,355 | 32,355 |
Note: Quantity represents Weight in kilograms
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