| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 3120 |
63.7%
|
| 1.0 | Correct | 1021 |
20.9%
|
| i | Invalid | 36 |
0.7%
|
| u | Unanswered | 719 |
14.7%
|
| Sysmiss | 3 |