| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 2 |
1.8%
|
| 0 | No | 17 |
15.2%
|
| 1 | Yes | 93 |
83%
|
| Sysmiss | 4838 |