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
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,070,752 | 535,087 | 535,087 |
| 2006 | $1,351,879 | 601,065 | 601,065 |
| 2007 | $2,295,826 | 934,396 | 934,396 |
| 2008 | $3,099,054 | 1,002,914 | 1,002,914 |
| 2009 | $1,521,499 | 560,667 | 560,667 |
| 2010 | $1,923,901 | 721,246 | 721,246 |
| 2011 | $2,209,266 | 745,539 | 745,539 |
Note: Quantity represents Weight in kilograms
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