| Value | Category | Cases | |
|---|---|---|---|
| -99 | No response | 1 |
0%
|
| -88 | Doesn | 0 |
0%
|
| 0 | Incorrect | 1236 |
36.3%
|
| 1 | Correct | 2170 |
63.7%
|
| Sysmiss | 460 |