| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 3086 |
63%
|
| 1.0 | Correct | 798 |
16.3%
|
| i | Invalid | 120 |
2.5%
|
| u | Unanswered | 892 |
18.2%
|
| Sysmiss | 3 |