| 
                         Approved with change  | 
                        No material or nonsubstantive change to a currently approved collection | 1989-04-07 | |
| 
                         Approved without change  | 
                        Revision of a currently approved collection | 1989-01-12 | |
| 
                         Approved with change  | 
                        No material or nonsubstantive change to a currently approved collection | 1988-07-16 | |
| 
                         Approved with change  | 
                        No material or nonsubstantive change to a currently approved collection | 1987-08-03 | |
| 
                         Approved without change  | 
                        Extension without change of a currently approved collection | 1985-10-04 | |
| 
                         Approved without change  | 
                        Revision of a currently approved collection | 1982-06-21 | |
| 
                         Approved without change  | 
                        New collection (Request for a new OMB Control Number) | 1981-12-23 |