2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000,000 $100,000,000 $150,000,000 $200,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $59,940,000 | 11,874,600 | 0 |
| 2006 | $117,880,000 | 17,558,549 | 0 |
| 2007 | $90,138,000 | 11,692,100 | 0 |
| 2008 | $156,765,000 | 17,303,000 | 0 |
| 2009 | $104,556,000 | 10,321,291 | 0 |
| 2010 | $117,596,550 | 14,554,400 | 0 |
| 2011 | $135,167,049 | 16,238,102 | 0 |
Note: Quantity represents No Quantity
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