| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost never | 839 | 
                                                                 
                                    
                                    18.6%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 2555 | 
                                                                 
                                    
                                    56.8%
                                 
                                                             | 
                                                        
                    
| 3 | Daily | 1108 | 
                                                                 
                                    
                                    24.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6414 |