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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $293,870 | 301,093 | 301,093 |
| 2006 | $702,458 | 585,174 | 585,174 |
| 2007 | $871 | 69 | 69 |
| 2008 | $521 | 50 | 50 |
| 2009 | $541,486,897 | 523,816,463 | 523,816,463 |
| 2010 | $88,388,098 | 120,939,568 | 120,939,568 |
| 2011 | $541 | 494 | 494 |
Note: Quantity represents Weight in kilograms
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