| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, for less than 3 months | 24 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    
| 2 | Yes, for 3 months or more | 32 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    
| 3 | No | 401 | 
                                                                 
                                    
                                    87.4%
                                 
                                                             | 
                                                        
                    
| 88 | Refused | 2 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3593 |