| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 3 |
7.5%
|
| 0 | No | 3 |
7.5%
|
| 1 | Yes | 34 |
85%
|
| Sysmiss | 4910 |