| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 782 |
92.4%
|
| 1 | Yes | 32 |
3.8%
|
| 8 | Unknown | 32 |
3.8%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 19 |