| Value | Category | 
                                    
                    
                        | 1 | None – I heard nothing and the problem was not solved | 
                                    
                    
                        | 2 | None – I heard nothing but hte problem was fixed anyway | 
                                    
                    
                        | 3 | They told me they would do something, but they did nothing | 
                                    
                    
                        | 4 | They told me they would do something, and they solved the problem immediately; | 
                                    
                    
                        | 5 | They told me they would do something, and they solved the problem but only after more than a month | 
                                    
                    
                        | 97 | Other ‘specofy’ | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.