| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 1701 |
34.7%
|
| 1.0 | Correct | 2906 |
59.4%
|
| i | Invalid | 25 |
0.5%
|
| u | Unanswered | 264 |
5.4%
|
| Sysmiss | 3 |