| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very badly | 1859 |
35%
|
| 2 | Fairly badly | 1354 |
25.5%
|
| 3 | Fairly well | 1782 |
33.5%
|
| 4 | Very well | 320 |
6%
|
| Sysmiss | 4160 |