| Value | Category | Cases | |
|---|---|---|---|
| -99 | Inconsistent | 9 |
16.7%
|
| -9 | Missing | 1 |
1.9%
|
| 0 | incorrect | 2 |
3.7%
|
| 1 | correct | 42 |
77.8%
|
| Sysmiss | 2933 |