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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,148 | 66 | 66 |
| 2006 | $4,347 | 2,919 | 2,919 |
| 2007 | $8,088 | 4,668 | 4,668 |
| 2008 | $4,907 | 3,798 | 3,798 |
| 2009 | $16,430 | 16,654 | 16,654 |
| 2010 | $17,535 | 27,657 | 27,657 |
| 2011 | $70,497 | 46,382 | 46,382 |
Note: Quantity represents Weight in kilograms
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