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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,308 | 10,079 | 10,079 |
| 2006 | $19,358 | 1,722 | 1,722 |
| 2007 | $17,995 | 6,597 | 6,597 |
| 2008 | $19,604 | 6,541 | 6,541 |
| 2009 | $15,519 | 4,738 | 4,738 |
| 2010 | $19,746 | 5,665 | 5,665 |
| 2011 | $21,403 | 6,011 | 6,011 |
Note: Quantity represents Weight in kilograms
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