| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 41 |
27.5%
|
| 2 | no | 105 |
70.5%
|
| 3 | (dk) | 2 |
1.3%
|
| 4 | (ref) | 1 |
0.7%
|
| Sysmiss | 853 |