| Value | Category | Cases | |
|---|---|---|---|
| -99 | No response | 40 |
1.2%
|
| -88 | Doesn | 2 |
0.1%
|
| 0 | Incorrect | 1475 |
43.3%
|
| 1 | Correct | 1890 |
55.5%
|
| Sysmiss | 460 |