| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 5 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| -8 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -5 | Not applicable | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Every day | 33 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 2 | Several times a week | 61 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    
| 3 | Several times a month | 176 | 
                                                                 
                                    
                                    31.5%
                                 
                                                             | 
                                                        
                    
| 4 | Several times a year | 143 | 
                                                                 
                                    
                                    25.6%
                                 
                                                             | 
                                                        
                    
| 5 | Never | 140 | 
                                                                 
                                    
                                    25.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 441 |