| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 18 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 31 | 
                                                                 
                                    
                                    37.3%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 30 | 
                                                                 
                                    
                                    36.1%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 4 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6672 |