2004 2005 2006 2007 2008 2009 2010 2011 2012
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $308 | 300 | 300 |
| 2006 | $8,658 | 19,920 | 19,920 |
| 2007 | $7,315 | 26,010 | 26,010 |
| 2008 | $10,540 | 2,116 | 2,116 |
| 2009 | $10,961 | 32,150 | 32,150 |
| 2010 | $4,451 | 2,504 | 2,504 |
| 2011 | $13,532 | 6,060 | 6,060 |
Note: Quantity represents Weight in kilograms
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