| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 1132 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    
| 2 | Yes, sometimes | 1137 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    
| 3 | No, never | 17376 | 
                                                                 
                                    
                                    88.4%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             |