2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000 $40,000 $60,000 $80,000 $100,000 $120,000 $140,000 $160,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2006 | $7,177 | 10,677 | 10,677 |
| 2007 | $38,054 | 198,277 | 198,277 |
| 2008 | $90,422 | 117,575 | 117,575 |
| 2009 | $130,166 | 1,818,854 | 1,818,854 |
| 2010 | $66,186 | 102,900 | 102,900 |
| 2011 | $21,669 | 90,280 | 90,280 |
Note: Quantity represents Weight in kilograms
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