| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2302 |
47%
|
| 1.0 | Correct | 2421 |
49.4%
|
| i | Invalid | 25 |
0.5%
|
| u | Unanswered | 148 |
3%
|
| Sysmiss | 3 |