| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 689 |
80.2%
|
| 1 | Yes | 98 |
11.4%
|
| 8 | Unknown | 72 |
8.4%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 6 |