| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 195 |
17.2%
|
| 2 | no | 331 |
29.2%
|
| 3 | 1 |
0.1%
|
|
| 88 | don't know | 606 |
53.5%
|
| Sysmiss | 388 |