| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 2 |
0%
|
| -888 | -888 | 59 |
1.4%
|
| 0 | No | 489 |
11.9%
|
| 1 | Yes | 3546 |
86.6%
|
| Sysmiss | 854 |