| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 2 |
0%
|
| -888 | -888 | 38 |
0.9%
|
| 0 | No | 657 |
16%
|
| 1 | Yes | 3399 |
83%
|
| Sysmiss | 854 |