| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 564 | 
                                                                 
                                    
                                    96.7%
                                 
                                                             | 
                                                        
                    
| 2 | No | 17 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 8 | Don't know | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2 |