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 $3,500,000 $4,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,912,878 | 160,321 | 160,321 |
| 2006 | $1,734,414 | 115,388 | 115,388 |
| 2007 | $2,105,995 | 139,600 | 139,600 |
| 2008 | $1,949,628 | 214,852 | 214,852 |
| 2009 | $2,321,293 | 487,603 | 487,603 |
| 2010 | $3,122,591 | 429,820 | 429,820 |
| 2011 | $3,254,873 | 430,104 | 430,104 |
Note: Quantity represents Weight in kilograms
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