2004 2005 2006 2007 2008 2009 2010 2011 $0 $20,000 $40,000 $60,000 $80,000 $100,000 $120,000 $140,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $105,534 | 44,727 | 44,727 |
| 2006 | $125,598 | 21,567 | 21,567 |
| 2007 | $49,022 | 66,878 | 66,878 |
| 2008 | $72,657 | 50,102 | 50,102 |
| 2009 | $82,623 | 34,407 | 34,407 |
| 2010 | $112,004 | 64,198 | 64,198 |
Note: Quantity represents Weight in kilograms
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