| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 1681 |
34.3%
|
| 1.0 | Correct | 3076 |
62.8%
|
| i | Invalid | 34 |
0.7%
|
| u | Unanswered | 105 |
2.1%
|
| Sysmiss | 3 |