| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, IN PERSON | 4 | 
                                    
                                    0.5%
                                 | 
| 3 | COULD NOT ACCESS | 1 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 870 | 
                                    
                                    99.4%
                                 |