| Approved without change | Revision of a currently approved collection | 1993-07-12 | |
| Approved without change | Revision of a currently approved collection | 1990-09-24 | |
| Approved with change | No material or nonsubstantive change to a currently approved collection | 1989-04-21 | |
| Approved without change | New collection (Request for a new OMB Control Number) | 1987-10-15 |