| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 1454 | 
                                                                 
                                    
                                    59%
                                 
                                                             | 
                                                        
                    
| 2 | seldome | 247 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    
| 3 | sometimes | 549 | 
                                                                 
                                    
                                    22.3%
                                 
                                                             | 
                                                        
                    
| 4 | very often | 213 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             |