| Approved without change | No material or nonsubstantive change to a currently approved collection | 2001-02-15 | |
| Approved without change | Revision of a currently approved collection | 1998-04-29 | |
| Approved without change | Revision of a currently approved collection | 1995-04-27 | |
| Approved with change | No material or nonsubstantive change to a currently approved collection | 1993-06-07 | |
| Approved without change | Extension without change of a currently approved collection | 1992-04-15 | |
| Approved without change | New collection (Request for a new OMB Control Number) | 1991-05-02 |