| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 10 |
17.5%
|
| 2 | no | 46 |
80.7%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 1 |
1.8%
|
| Sysmiss | 948 |