| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 261 |
49.7%
|
| 2 | no | 255 |
48.6%
|
| 3 | (dk) | 5 |
1%
|
| 4 | (ref) | 4 |
0.8%
|
| Sysmiss | 475 |