| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 1 |
0%
|
| -888 | -888 | 31 |
0.8%
|
| 0 | No | 330 |
8.1%
|
| 1 | Yes | 3734 |
91.2%
|
| Sysmiss | 854 |