| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 1581 |
32.3%
|
| 1.0 | Correct | 3194 |
65.2%
|
| i | Invalid | 29 |
0.6%
|
| u | Unanswered | 92 |
1.9%
|
| Sysmiss | 3 |