| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 37401 | 
                                                                 
                                    
                                    97%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 1173 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    
| 99 | Not stated | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 242913 |