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 | $1,526,896 | 45,492 | 45,492 |
| 2006 | $235,036 | 7,009 | 7,009 |
| 2007 | $743,917 | 25,973 | 25,973 |
| 2008 | $704,070 | 21,687 | 21,687 |
| 2009 | $389,823 | 19,205 | 19,205 |
| 2010 | $1,059,464 | 46,859 | 46,859 |
| 2011 | $484,557 | 17,034 | 17,034 |
Note: Quantity represents Weight in kilograms
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