2004 2005 2006 2007 2008 2009 2010 2011 $0 $1,000,000 $2,000,000 $3,000,000 $4,000,000 $5,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,596,819 | 183,812 | 0 |
| 2006 | $2,992,731 | 169,411 | 0 |
| 2007 | $3,309,912 | 199,652 | 670,349 |
| 2008 | $3,907,222 | 209,767 | 0 |
| 2009 | $4,101,922 | 224,167 | 789,800 |
| 2010 | $4,479,104 | 274,563 | 845,490 |
Note: Quantity represents No Quantity
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