2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $1,000,000 $2,000,000 $3,000,000 $4,000,000 $5,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,031,992 | 466,859 | 466,859 |
| 2006 | $2,539,554 | 615,293 | 615,293 |
| 2007 | $3,261,060 | 572,475 | 572,475 |
| 2008 | $3,894,121 | 520,990 | 520,990 |
| 2009 | $2,409,914 | 311,299 | 311,299 |
| 2010 | $2,948,947 | 394,791 | 394,791 |
| 2011 | $3,395,233 | 438,986 | 438,986 |
Note: Quantity represents Weight in kilograms
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