| Value | Category | 
                                    
                    
                        | 1 | Owned and fully paid off | 
                                    
                    
                        | 2 | Owned but not yet paid off | 
                                    
                    
                        | 3 | Rented | 
                                    
                    
                        | 4 | Occupied rent-free | 
                                    
                    
                        | 9 | Not applicable (collective living quarters) | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.