| Value | Category | Cases | |
|---|---|---|---|
| -99 | No response | 8 |
0.2%
|
| -88 | Doesn | 1 |
0%
|
| 0 | Incorrect | 2033 |
59.7%
|
| 1 | Correct | 1365 |
40.1%
|
| Sysmiss | 460 |