| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 3612 |
73.8%
|
| 1.0 | Correct | 1088 |
22.2%
|
| i | Invalid | 29 |
0.6%
|
| u | Unanswered | 167 |
3.4%
|
| Sysmiss | 3 |