2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $2,000,000 $4,000,000 $6,000,000 $8,000,000 $10,000,000 $12,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $139,033 | 256 | 256 |
| 2006 | $208,709 | 217 | 217 |
| 2007 | $316,424 | 296 | 296 |
| 2008 | $487,318 | 806 | 806 |
| 2009 | $4,435,130 | 2,146 | 2,146 |
| 2010 | $6,052,164 | 5,103 | 5,103 |
| 2011 | $9,465,818 | 7,142 | 7,142 |
Note: Quantity represents Weight in kilograms
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