| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 12 |
7.7%
|
| 1 | Yes | 144 |
92.3%
|
| Sysmiss | don't know | 0 | |
| Sysmiss | refusal | 0 | |
| Sysmiss | .x. censored | 0 |