| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 802 |
12.3%
|
| 2 | no | 2417 |
37.2%
|
| 3 | I do not know | 140 |
2.2%
|
| 4 | not applicable | 202 | |
| Sysmiss | 2939 |