| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 320 |
70.5%
|
| 2 | no | 128 |
28.2%
|
| 3 | (dk) | 5 |
1.1%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 546 |