| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 581 | 
                                                                 
                                    
                                    20.4%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 1608 | 
                                                                 
                                    
                                    56.3%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 575 | 
                                                                 
                                    
                                    20.1%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 81 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 10 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3900 |