2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $505,324 | 94,146 | 94,146 |
| 2006 | $53,938 | 5,806 | 5,806 |
| 2007 | $144,609 | 13,728 | 13,728 |
| 2008 | $361,863 | 40,574 | 40,574 |
| 2009 | $219,849 | 28,836 | 28,836 |
| 2010 | $55,609 | 5,675 | 5,675 |
| 2011 | $96,271 | 5,354 | 5,354 |
Note: Quantity represents Weight in kilograms
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