| Approved with change | No material or nonsubstantive change to a currently approved collection | 1991-05-15 | |
| Approved without change | Revision of a currently approved collection | 1990-11-23 | |
| Approved with change | No material or nonsubstantive change to a currently approved collection | 1989-05-04 | |
| Approved with change | No material or nonsubstantive change to a currently approved collection | 1989-04-07 | |
| Approved without change | New collection (Request for a new OMB Control Number) | 1987-12-15 |