| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 186 | 
                                                                 
                                    
                                    29.7%
                                 
                                                             | 
                                                        
                    
| 2 | No | 439 | 
                                                                 
                                    
                                    70.1%
                                 
                                                             | 
                                                        
                    
| 999 | Don't know | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 127 |