| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2797 |
47.1%
|
| 2 | no | 2923 |
49.2%
|
| 8 | don't know | 220 |
3.7%
|
| 11 | .A | 5 | |
| Sysmiss | 374 |