| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 23 |
76.7%
|
| 2 | no | 6 |
20%
|
| 77 | don't know | 1 |
3.3%
|
| 88 | refused | 0 |
0%
|
| Sysmiss | 3664 |