2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000 $1,000,000 $1,200,000 $1,400,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,498 | 5,754 | 5,754 |
| 2006 | $35,054 | 10,340 | 10,340 |
| 2007 | $86,556 | 4,483 | 4,483 |
| 2008 | $228,273 | 15,167 | 15,167 |
| 2009 | $217,788 | 5,706 | 5,706 |
| 2010 | $611,201 | 24,936 | 24,936 |
| 2011 | $1,118,079 | 52,110 | 52,110 |
Note: Quantity represents Weight in kilograms
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