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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $69,800 | 47,590 | 47,590 |
| 2006 | $38,937 | 23,355 | 23,355 |
| 2007 | $19,854 | 7,912 | 7,912 |
| 2008 | $57,694 | 33,556 | 33,556 |
| 2009 | $102,124 | 21,992 | 21,992 |
| 2010 | $2,483 | 660 | 660 |
| 2011 | $110,544 | 83,674 | 83,674 |
Note: Quantity represents Weight in kilograms
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