| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 3 |
0.1%
|
| -888 | -888 | 10 |
0.2%
|
| 0 | No | 4206 |
86.7%
|
| 1 | Yes | 630 |
13%
|
| Sysmiss | 101 |