| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 730 |
86.3%
|
| 1 | Yes | 90 |
10.6%
|
| 8 | Unknown | 26 |
3.1%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 19 |