| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 1 |
7.7%
|
| -888 | -888 | 2 |
15.4%
|
| 0 | No | 7 |
53.8%
|
| 1 | Yes | 3 |
23.1%
|
| Sysmiss | 4937 |