| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, I have a vaccination certificate | 186 |
36%
|
| 2 | Yes, other proof | 307 |
59.5%
|
| 3 | Yes, but I lost it | 8 |
1.6%
|
| 4 | No | 15 |
2.9%
|
| Sysmiss | 904 |