| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 692 |
70.4%
|
| 2 | no | 289 |
29.4%
|
| 3 | (dk) | 1 |
0.1%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 17 |