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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $49,000 | 215,300 | 215,300 |
| 2007 | $319,000 | 750,800 | 750,800 |
| 2008 | $708,000 | 1,303,600 | 1,303,600 |
| 2009 | $766,000 | 1,941,700 | 1,941,700 |
| 2010 | $825,000 | 2,266,900 | 2,266,900 |
| 2011 | $1,368,000 | 2,704,300 | 2,704,300 |
Note: Quantity represents Weight in kilograms
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