| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 1784 |
36.4%
|
| 1.0 | Correct | 2808 |
57.4%
|
| i | Invalid | 25 |
0.5%
|
| u | Unanswered | 279 |
5.7%
|
| Sysmiss | 3 |