| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2 |
5.1%
|
| 2 | no | 35 |
89.7%
|
| 77 | don't know | 0 |
0%
|
| 88 | refused | 2 |
5.1%
|
| Sysmiss | 4014 |