| 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 | 168 | 
                                    
                                    14.7%
                                 | 
| 2 | Quite frequently | 194 | 
                                    
                                    17%
                                 | 
| 3 | Not frequently | 276 | 
                                    
                                    24.2%
                                 | 
| 4 | Not at all frequently | 502 | 
                                    
                                    44%
                                 | 
| Sysmiss | 60 |