| Value | Category | Cases | |
|---|---|---|---|
| 2 | More than 1 year ago | 1803 |
37.9%
|
| 3 | Less than 1 year ago | 2815 |
59.2%
|
| 4 | I have never feld I had a risk of being infected | 126 |
2.6%
|
| 93 | Prefer not to answer | 15 |
0.3%
|
| Sysmiss | 2725 |