| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 1927 |
39.4%
|
| 1.0 | Correct | 2628 |
53.7%
|
| i | Invalid | 29 |
0.6%
|
| u | Unanswered | 312 |
6.4%
|
| Sysmiss | 3 |