2004 2005 2006 2007 2008 2009 2010 2011 $0 $20,000 $40,000 $60,000 $80,000 $100,000 $120,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,621 | 5,743 | 5,743 |
| 2006 | $5,462 | 19,356 | 19,356 |
| 2007 | $1,756 | 4,819 | 4,819 |
| 2008 | $100,387 | 240,139 | 240,139 |
| 2009 | $4,556 | 9,542 | 9,542 |
| 2010 | $7,324 | 30,667 | 30,667 |
Note: Quantity represents Weight in kilograms
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