| Value | Category | Cases | |
|---|---|---|---|
| 1 | Regularly | 341 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 320 | 
                                                                 
                                    
                                    6.1%
                                 
                                                             | 
                                                        
                    
| 3 | Sometimes | 402 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             | 
                                                        
                    
| 4 | Rarely | 340 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 5 | Never | 3866 | 
                                                                 
                                    
                                    73.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4591 |