| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very badly | 2207 |
40.1%
|
| 2 | Fairly badly | 1447 |
26.3%
|
| 3 | Fairly well | 1553 |
28.2%
|
| 4 | Very well | 302 |
5.5%
|
| Sysmiss | 3966 |