| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 3 |
1.3%
|
| -888 | -888 | 35 |
15%
|
| 0 | No | 96 |
41.2%
|
| 1 | Yes | 99 |
42.5%
|
| Sysmiss | 4717 |