| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 142 | 
                                                                 
                                    
                                    17.6%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 327 | 
                                                                 
                                    
                                    40.4%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 291 | 
                                                                 
                                    
                                    36%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 43 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 6 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5946 |