| Value | Category | Cases | |
|---|---|---|---|
| -5 | DE:Inapplicable; 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 | Often | 187 | 
                                    
                                    15.6%
                                 | 
| 2 | Sometimes | 351 | 
                                    
                                    29.3%
                                 | 
| 3 | Rarely | 368 | 
                                    
                                    30.8%
                                 | 
| 4 | Never | 290 | 
                                    
                                    24.2%
                                 | 
| Sysmiss | 4 |