| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 2743 |
56%
|
| 1.0 | Correct | 1819 |
37.2%
|
| i | Invalid | 21 |
0.4%
|
| u | Unanswered | 313 |
6.4%
|
| Sysmiss | 3 |