| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 2 |
13.3%
|
| 0 | No | 7 |
46.7%
|
| 1 | Yes | 6 |
40%
|
| Sysmiss | 4935 |