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 | $711,985 | 302,656 | 302,656 |
| 2006 | $742,549 | 335,331 | 335,331 |
| 2007 | $465,996 | 172,256 | 172,256 |
| 2008 | $386,316 | 135,242 | 135,242 |
| 2009 | $810,243 | 353,179 | 353,179 |
| 2010 | $1,551,343 | 727,367 | 727,367 |
| 2011 | $1,237,480 | 556,483 | 556,483 |
Note: Quantity represents Weight in kilograms
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