| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 14 |
0.9%
|
| 0 | No | 687 |
45.2%
|
| 1 | Yes | 818 |
53.9%
|
| Sysmiss | 3431 |