| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 3 |
0.1%
|
| -888 | -888 | 160 |
3.5%
|
| 0 | No | 2909 |
63.4%
|
| 1 | Yes | 1519 |
33.1%
|
| Sysmiss | 359 |