2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $393,311 | 109,331 | 109,331 |
| 2006 | $374,025 | 53,409 | 53,409 |
| 2007 | $1,920,916 | 178,323 | 178,323 |
| 2008 | $854,654 | 91,306 | 91,306 |
| 2009 | $1,150,137 | 586,053 | 586,053 |
| 2010 | $1,358,767 | 134,564 | 134,564 |
| 2011 | $892,051 | 93,052 | 93,052 |
Note: Quantity represents Weight in kilograms
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