| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 34 |
0.1%
|
| 0 | No | 11027 |
47.5%
|
| 1 | Yes | 10926 |
47.1%
|
| 9 | Can't determine | 1210 |
5.2%
|
| Sysmiss | 1104 |