2004 2005 2006 2007 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 | $28,000 | 8,960 | 8,960 |
| 2006 | $3,129 | 677 | 677 |
| 2007 | $13,113 | 3,209 | 3,209 |
| 2008 | $34,228 | 6,618 | 6,618 |
| 2009 | $16,257 | 2,229 | 2,229 |
| 2010 | $33,311 | 6,265 | 6,265 |
| 2011 | $48,438 | 10,886 | 10,886 |
Note: Quantity represents Weight in kilograms
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