| Value | Category | Cases | |
|---|---|---|---|
| 2 | More than 1 year ago | 429 |
30.1%
|
| 3 | Less than 1 year ago | 971 |
68.2%
|
| 4 | I have never feld I had a risk of being infected | 19 |
1.3%
|
| 93 | Prefer not to answer | 5 |
0.4%
|
| Sysmiss | 760 |