| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 8030 | 
                                                                 
                                    
                                    28.6%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 20060 | 
                                                                 
                                    
                                    71.4%
                                 
                                                             | 
                                                        
                    
| 99 | Not stated | 19 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 72636 |