2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $5,000,000 $10,000,000 $15,000,000 $20,000,000 $25,000,000 $30,000,000 $35,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,937,857 | 2,481,325 | 0 |
| 2006 | $11,074,017 | 3,763,134 | 0 |
| 2007 | $11,729,735 | 3,049,964 | 0 |
| 2008 | $15,782,065 | 3,486,540 | 0 |
| 2009 | $28,272,051 | 5,718,624 | 0 |
| 2010 | $12,881,581 | 3,181,236 | 0 |
| 2011 | $16,219,581 | 4,148,535 | 0 |
Note: Quantity represents No Quantity
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