| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 131 |
51.2%
|
| 2 | no | 117 |
45.7%
|
| 3 | (dk) | 7 |
2.7%
|
| 4 | (ref) | 1 |
0.4%
|
| Sysmiss | 744 |