History
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| Version | Date | Type | |
| 1-0 | 1982-10-21 | Initial release | No files available. |
| 1-1 | 2008-03-03 | Version format compliance | No files available. |
| 1-2 | 2011-07-13 | Advisory, Version format compliance | No files available. |
| 1-3 | 2024-06-05 | Data collection, Database references, Derived calculations, Other | No files available. |
| 1-4 | 2024-11-13 | Structure summary |
