| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2699 |
55.1%
|
| 1.0 | Correct | 1883 |
38.5%
|
| i | Invalid | 33 |
0.7%
|
| u | Unanswered | 281 |
5.7%
|
| Sysmiss | 3 |