| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 62 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 2 | No | 3903 | 
                                                                 
                                    
                                    98.4%
                                 
                                                             | 
                                                        
                    
| 9 | No response | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 362 |