| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2914 | 
                                                                 
                                    
                                    26.8%
                                 
                                                             | 
                                                        
                    
| 2 | Rarely | 3298 | 
                                                                 
                                    
                                    30.3%
                                 
                                                             | 
                                                        
                    
| 3 | Sometimes | 3579 | 
                                                                 
                                    
                                    32.9%
                                 
                                                             | 
                                                        
                    
| 4 | Often | 731 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    
| 5 | Regularly | 368 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 26 |