2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000 $100,000 $150,000 $200,000 $250,000 $300,000 $350,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $288,044 | 116,000 | 116,000 |
| 2006 | $163,506 | 92,461 | 92,461 |
| 2007 | $86,620 | 37,063 | 37,063 |
| 2008 | $134,268 | 53,000 | 53,000 |
| 2009 | $130,786 | 92,951 | 92,951 |
| 2010 | $58,458 | 48,983 | 48,983 |
| 2011 | $19,582 | 2,000 | 2,000 |
Note: Quantity represents Weight in kilograms
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