| 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 | 91 | 
                                    
                                    7.6%
                                 | 
| 2 | Sometimes | 275 | 
                                    
                                    23%
                                 | 
| 3 | Rarely | 310 | 
                                    
                                    25.9%
                                 | 
| 4 | Never | 519 | 
                                    
                                    43.4%
                                 | 
| Sysmiss | 5 |