| Value | Category | Cases | |
|---|---|---|---|
| -5 | HT: Dropped out survey; Unknown | 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 often | 124 | 
                                    
                                    10.4%
                                 | 
| 2 | Fairly often | 372 | 
                                    
                                    31.2%
                                 | 
| 3 | Not often | 413 | 
                                    
                                    34.6%
                                 | 
| 4 | Not at all often | 284 | 
                                    
                                    23.8%
                                 | 
| Sysmiss | 7 |