| Value | Category | Cases | |
|---|---|---|---|
| -5 | DE,SE:Inapplicable; HT: Dropped out survey | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -4 | Not asked in survey | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | Not applicable | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -2 | No answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | Don´t know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Very Frequently | 21 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 2 | Quite frequently | 55 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    
| 3 | Not frequently | 165 | 
                                                                 
                                    
                                    9%
                                 
                                                             | 
                                                        
                    
| 4 | Not at all frequently | 1592 | 
                                                                 
                                    
                                    86.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 139 |