2004 2005 2006 2007 2008 2009 2010 2011 $0 $20,000 $40,000 $60,000 $80,000 $100,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $662 | 327 | 327 |
| 2006 | $20,255 | 5,203 | 5,203 |
| 2007 | $80,755 | 221,618 | 221,618 |
| 2008 | $54,008 | 64,221 | 64,221 |
| 2009 | $70,459 | 107,689 | 107,689 |
| 2010 | $26,069 | 5,118 | 5,118 |
Note: Quantity represents Weight in kilograms
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