| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2897 |
59.2%
|
| 1.0 | Correct | 589 |
12%
|
| i | Invalid | 475 |
9.7%
|
| u | Unanswered | 935 |
19.1%
|
| Sysmiss | 3 |