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 | $1,796,385 | 525,812 | 525,812 |
| 2006 | $12,733,834 | 3,241,870 | 3,241,870 |
| 2007 | $14,273,029 | 2,888,425 | 2,888,425 |
| 2008 | $27,282,997 | 5,175,287 | 5,175,287 |
| 2009 | $10,317,527 | 2,002,477 | 2,002,477 |
| 2010 | $14,302,688 | 4,313,009 | 4,313,009 |
| 2011 | $25,766,437 | 6,280,895 | 6,280,895 |
Note: Quantity represents Weight in kilograms
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