| Value | Category | Cases | |
|---|---|---|---|
| -99 | Inconsistent | 5 |
35.7%
|
| -9 | Missing | 2 |
14.3%
|
| 0 | incorrect | 0 |
0%
|
| 1 | correct | 7 |
50%
|
| Sysmiss | 2973 |