| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 167 | 
                                                                 
                                    
                                    20.8%
                                 
                                                             | 
                                                        
                    
| 1 | vacc. date on card | 333 | 
                                                                 
                                    
                                    41.4%
                                 
                                                             | 
                                                        
                    
| 2 | reported by mother | 260 | 
                                                                 
                                    
                                    32.3%
                                 
                                                             | 
                                                        
                    
| 3 | vacc. marked on card | 30 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 14 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5951 |