| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 334 | 
                                                                 
                                    
                                    11.6%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 1727 | 
                                                                 
                                    
                                    60%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 699 | 
                                                                 
                                    
                                    24.3%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 105 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 15 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3875 |