| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 639 |
13.1%
|
| 1.0 | Correct | 4104 |
83.8%
|
| i | Invalid | 18 |
0.4%
|
| u | Unanswered | 135 |
2.8%
|
| Sysmiss | 3 |