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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,001 | 6,448 | 6,448 |
| 2006 | $6,722 | 77 | 77 |
| 2007 | $17,025 | 1,074 | 1,074 |
| 2008 | $154,168 | 62,685 | 62,685 |
| 2009 | $101,486 | 30,455 | 30,455 |
| 2010 | $146,174 | 56,402 | 56,402 |
| 2011 | $131,069 | 47,830 | 47,830 |
Note: Quantity represents Weight in kilograms
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