2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $242,000 | 76,770 | 76,770 |
| 2006 | $1,386,700 | 236,514 | 236,514 |
| 2007 | $1,946,700 | 340,736 | 340,736 |
| 2008 | $1,060,800 | 209,402 | 209,402 |
| 2009 | $1,166,800 | 295,323 | 295,323 |
| 2010 | $1,610,000 | 431,975 | 431,975 |
| 2011 | $2,026,000 | 324,957 | 324,957 |
Note: Quantity represents Weight in kilograms
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