| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2669 |
54.5%
|
| 1.0 | Correct | 1843 |
37.6%
|
| i | Invalid | 28 |
0.6%
|
| u | Unanswered | 356 |
7.3%
|
| Sysmiss | 3 |