| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1009 | 
                                                                 
                                    
                                    35.2%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 1128 | 
                                                                 
                                    
                                    39.3%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 609 | 
                                                                 
                                    
                                    21.2%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 80 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 41 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3888 |