| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2651 |
54.1%
|
| 1.0 | Correct | 1219 |
24.9%
|
| i | Invalid | 11 |
0.2%
|
| u | Unanswered | 1015 |
20.7%
|
| Sysmiss | 3 |