| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 666 |
25%
|
| 1 | yes | 1868 |
70.1%
|
| 2 | no vaccination in last 2 years | 59 |
2.2%
|
| 8 | don't know | 71 |
2.7%
|
| Sysmiss | 4091 |