| Value | Category | Cases | |
|---|---|---|---|
| 2 | More than 1 year ago | 704 |
32.7%
|
| 3 | Less than 1 year ago | 1383 |
64.3%
|
| 4 | I have never feld I had a risk of being infected | 60 |
2.8%
|
| 93 | Prefer not to answer | 4 |
0.2%
|
| Sysmiss | 913 |