| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 1274 | 
                                                                 
                                    
                                    51.7%
                                 
                                                             | 
                                                        
                    
| 2 | seldome | 206 | 
                                                                 
                                    
                                    8.4%
                                 
                                                             | 
                                                        
                    
| 3 | sometimes | 654 | 
                                                                 
                                    
                                    26.6%
                                 
                                                             | 
                                                        
                    
| 4 | very often | 329 | 
                                                                 
                                    
                                    13.4%
                                 
                                                             |