| Value | Category | Cases | |
|---|---|---|---|
| -99 | No response | 55 |
1.8%
|
| -88 | Doesn | 5 |
0.2%
|
| 0 | Incorrect | 1086 |
36.2%
|
| 1 | Correct | 1854 |
61.8%
|
| Sysmiss | 867 |