| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2957 |
60.4%
|
| 1.0 | Correct | 912 |
18.6%
|
| i | Invalid | 6 |
0.1%
|
| u | Unanswered | 1021 |
20.9%
|
| Sysmiss | 3 |