2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000 $250,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $78,395 | 11,552 | 11,552 |
| 2006 | $221,886 | 28,735 | 28,735 |
| 2007 | $73,139 | 2,379 | 2,379 |
| 2008 | $80,994 | 4,752 | 4,752 |
| 2009 | $41,441 | 250 | 250 |
| 2010 | $18,926 | 119 | 119 |
| 2011 | $19,756 | 426 | 426 |
Note: Quantity represents Weight in kilograms
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