| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refused (SPONTANEOUS) | 0 |
0%
|
| -9 | Don’t know (SPONTANEOUS) | 1 |
0.9%
|
| 1 | yes | 76 |
65%
|
| 2 | no | 40 |
34.2%
|
| Sysmiss | 554 |