| Value | Category | Cases | |
|---|---|---|---|
| 1 | vaccination certificate/card | 8 | 
                            
                             
                                
                                2.9%
                                                             
                            
                         | 
                        
                    
| 2 | SMS | 71 | 
                            
                             
                                
                                25.5%
                                                             
                            
                         | 
                        
                    
| 3 | Verbal report | 199 | 
                            
                             
                                
                                71.6%
                                                             
                            
                         | 
                        
                    
| 96 | Other confirmation | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| 98 | don't know | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 573 |