| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.7%
|
|
| 1 | yes | 27 |
46.6%
|
| 2 | no | 27 |
46.6%
|
| 88 | refused | 3 |
5.2%
|
| Sysmiss | 1097 |