| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 644 | 
                                                                 
                                    
                                    19.2%
                                 
                                                             | 
                                                        
                    
| 2 | Rarely | 666 | 
                                                                 
                                    
                                    19.9%
                                 
                                                             | 
                                                        
                    
| 3 | Sometimes | 650 | 
                                                                 
                                    
                                    19.4%
                                 
                                                             | 
                                                        
                    
| 4 | Often | 242 | 
                                                                 
                                    
                                    7.2%
                                 
                                                             | 
                                                        
                    
| 5 | Very often | 91 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    
| -6 | Follow-up refusal | 1021 | 
                                                                 
                                    
                                    30.5%
                                 
                                                             | 
                                                        
                    
| -2 | No answer | 16 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| -1 | Can't choose | 19 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             |