| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 897 |
23.5%
|
| 1 | Yes | 2848 |
74.6%
|
| 2 | No vaccination in last 2 years | 32 |
0.8%
|
| 8 | Don't know | 40 |
1%
|
| 9 | Missing | 20 | |
| Sysmiss | 19201 |