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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,546 | 34,000 | 34,000 |
| 2006 | $4,919 | 8,975 | 8,975 |
| 2007 | $36,549 | 22,741 | 22,741 |
| 2008 | $22,007 | 29,388 | 29,388 |
| 2009 | $109,196 | 82,215 | 82,215 |
| 2010 | $49,698 | 46,250 | 46,250 |
| 2011 | $963 | 944 | 944 |
Note: Quantity represents Weight in kilograms
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