| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 1138 |
23.2%
|
| 1.0 | Correct | 3024 |
61.8%
|
| i | Invalid | 1 |
0%
|
| u | Unanswered | 733 |
15%
|
| Sysmiss | 3 |