| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 4437 |
64.9%
|
| 2 | no | 2224 |
32.5%
|
| 3 | don't know | 176 |
2.6%
|
| Sysmiss | [.a] invalid value | 0 | |
| Sysmiss | 3 |