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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,378 | 1,611 | 1,611 |
| 2006 | $48,217 | 2,310 | 2,310 |
| 2007 | $124,649 | 4,303 | 4,303 |
| 2008 | $205,085 | 31,438 | 31,438 |
| 2009 | $235,197 | 34,723 | 34,723 |
| 2010 | $20,706 | 4,416 | 4,416 |
| 2011 | $2,553 | 20 | 20 |
Note: Quantity represents Weight in kilograms
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