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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,644 | 8,395 | 8,395 |
| 2006 | $46,167 | 30,578 | 30,578 |
| 2007 | $42,787 | 38,484 | 38,484 |
| 2008 | $41,600 | 33,862 | 33,862 |
| 2009 | $26,141 | 16,756 | 16,756 |
| 2010 | $46,142 | 24,132 | 24,132 |
| 2011 | $43,741 | 21,383 | 21,383 |
Note: Quantity represents Weight in kilograms
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