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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $584 | 386 | 386 |
| 2006 | $41,115 | 16,422 | 16,422 |
| 2007 | $2,180 | 996 | 996 |
| 2008 | $6,951 | 7,767 | 7,767 |
| 2009 | $127,135 | 35,963 | 35,963 |
| 2010 | $12,044 | 6,350 | 6,350 |
| 2011 | $34,032 | 15,880 | 15,880 |
Note: Quantity represents Weight in kilograms
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