| Value | Category | Cases | |
|---|---|---|---|
| 2 | More than 1 year ago | 1099 |
42.1%
|
| 3 | Less than 1 year ago | 1432 |
54.9%
|
| 4 | I have never feld I had a risk of being infected | 66 |
2.5%
|
| 93 | Prefer not to answer | 11 |
0.4%
|
| Sysmiss | 1812 |