| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 35 |
53%
|
| 2 | no | 30 |
45.5%
|
| 77 | don't know | 1 |
1.5%
|
| 88 | refused | 0 |
0%
|
| Sysmiss | 4497 |