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 | $5,865,000 | 1,955,500 | 1,955,500 |
| 2006 | $5,439,000 | 1,549,209 | 1,549,209 |
| 2007 | $8,129,000 | 2,079,000 | 2,079,000 |
| 2008 | $8,245,000 | 1,617,077 | 1,617,077 |
| 2009 | $4,857,000 | 1,112,300 | 1,112,300 |
| 2010 | $7,126,000 | 1,745,380 | 1,745,380 |
| 2011 | $9,654,000 | 2,022,104 | 2,022,104 |
Note: Quantity represents Weight in kilograms
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