| Approved without change | Revision of a currently approved collection | 1995-07-20 | |
| Approved with change | No material or nonsubstantive change to a currently approved collection | 1993-09-28 | |
| Approved without change | Revision of a currently approved collection | 1992-01-31 | |
| Approved without change | New collection (Request for a new OMB Control Number) | 1988-08-30 |