| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, I have a vaccination certificate | 88 |
29.7%
|
| 2 | Yes, other proof | 184 |
62.2%
|
| 3 | Yes, but I lost it | 6 |
2%
|
| 4 | No | 18 |
6.1%
|
| Sysmiss | 487 |