2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000 $3,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,977,153 | 404,045 | 404,045 |
| 2006 | $1,902,519 | 401,693 | 401,693 |
| 2007 | $2,296,164 | 428,603 | 428,603 |
| 2008 | $2,496,512 | 394,360 | 394,360 |
| 2009 | $2,250,431 | 342,513 | 342,513 |
| 2010 | $2,218,155 | 368,101 | 368,101 |
| 2011 | $2,335,082 | 339,652 | 339,652 |
Note: Quantity represents Weight in kilograms
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