| Value | Category | Cases | |
|---|---|---|---|
| 1 | Alone | 17148 | 
                                                                 
                                    
                                    85.7%
                                 
                                                             | 
                                                        
                    
| 2 | Presence another person during part of the interview | 2585 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    
| 3 | Presence another person during whole of the interview | 267 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             |