| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes regularly | 2188 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    
| 2 | Yes sometimes | 6995 | 
                                                                 
                                    
                                    18.5%
                                 
                                                             | 
                                                        
                    
| 3 | No, never | 28708 | 
                                                                 
                                    
                                    75.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 32533 |