| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 380 | 
                                                                 
                                    
                                    13.2%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 1691 | 
                                                                 
                                    
                                    58.8%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 702 | 
                                                                 
                                    
                                    24.4%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 86 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 16 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3880 |