| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2463 |
50.3%
|
| 1.0 | Correct | 884 |
18.1%
|
| i | Invalid | 271 |
5.5%
|
| u | Unanswered | 1278 |
26.1%
|
| Sysmiss | 3 |