2004 2005 2006 2008 2009 2010 2011 2012 $0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,087 | 5,000 | 5,000 |
| 2006 | $14,923 | 23,775 | 23,775 |
| 2008 | $5,415 | 10,100 | 10,100 |
| 2009 | $13,121 | 20,500 | 20,500 |
| 2010 | $28,994 | 79,000 | 79,000 |
| 2011 | $47,653 | 155,140 | 155,140 |
Note: Quantity represents Weight in kilograms
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