| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 2 |
8.7%
|
| 0 | No | 8 |
34.8%
|
| 1 | Yes | 13 |
56.5%
|
| Sysmiss | 4927 |