| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 365 | 
                                                                 
                                    
                                    12.8%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 1718 | 
                                                                 
                                    
                                    60%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 687 | 
                                                                 
                                    
                                    24%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 84 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 8 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3893 |