| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refused (SPONTANEOUS) | 0 |
0%
|
| -9 | Don’t know (SPONTANEOUS) | 0 |
0%
|
| 1 | yes | 3 |
75%
|
| 2 | no | 1 |
25%
|
| Sysmiss | 667 |