| Value | Category | Cases | |
|---|---|---|---|
| -99 | No response | 184 |
6.1%
|
| -88 | Doesn | 16 |
0.5%
|
| 0 | Incorrect | 982 |
32.7%
|
| 1 | Correct | 1818 |
60.6%
|
| Sysmiss | 867 |