| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 149 |
49.3%
|
| 2 | no | 147 |
48.7%
|
| 3 | (dk) | 4 |
1.3%
|
| 4 | (ref) | 2 |
0.7%
|
| Sysmiss | 699 |