| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 2 |
0.9%
|
| -888 | -888 | 45 |
19.3%
|
| 0 | No | 127 |
54.5%
|
| 1 | Yes | 59 |
25.3%
|
| Sysmiss | 4717 |