2004 2005 2006 2007 2008 2009 2010 2011 $0 $1,000,000 $2,000,000 $3,000,000 $4,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,376,739 | 622,454 | 622,454 |
| 2006 | $2,827,389 | 879,048 | 879,048 |
| 2007 | $3,427,212 | 1,182,177 | 1,182,177 |
| 2008 | $3,300,608 | 1,434,634 | 1,434,634 |
| 2009 | $1,953,329 | 827,023 | 827,023 |
| 2010 | $1,552,921 | 847,412 | 847,412 |
Note: Quantity represents Weight in kilograms
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