| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 46 |
74.2%
|
| 1 | Yes | 7 |
11.3%
|
| 8 | Unknown | 9 |
14.5%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 803 |