| Value | Category | Cases | |
|---|---|---|---|
| 1 | Father | 98 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    
| 2 | Mother | 21 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 3 | Other person | 9 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 4 | All earn the same | 11 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 9 | NA | 9 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4244 | 
                                                                 
                                    
                                    96.6%
                                 
                                                             |