| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very badly | 2270 |
41.7%
|
| 2 | Fairly badly | 1399 |
25.7%
|
| 3 | Fairly well | 1148 |
21.1%
|
| 4 | Very well | 628 |
11.5%
|
| Sysmiss | 4030 |