| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 784 |
91.3%
|
| 1 | Yes | 8 |
0.9%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 67 |
7.8%
|
| Sysmiss | 6 |