| 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 | 378 | 
                                                                 
                                    
                                    25%
                                 
                                                             | 
                                                        
                    
| 2 | Sometimes | 430 | 
                                                                 
                                    
                                    28.4%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely | 237 | 
                                                                 
                                    
                                    15.7%
                                 
                                                             | 
                                                        
                    
| 4 | Never | 468 | 
                                                                 
                                    
                                    30.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 10 |