| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 1 |
6.7%
|
| 0 | No | 10 |
66.7%
|
| 1 | Yes | 4 |
26.7%
|
| Sysmiss | 4935 |