| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2567 |
52.4%
|
| 1.0 | Correct | 1980 |
40.4%
|
| i | Invalid | 22 |
0.4%
|
| u | Unanswered | 327 |
6.7%
|
| Sysmiss | 3 |