| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 12 |
16.9%
|
| 1 | yes | 55 |
77.5%
|
| 2 | no vaccination in last 2 years | 2 |
2.8%
|
| 8 | don't know | 2 |
2.8%
|
| Sysmiss | 6684 |