| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very badly | 2015 |
65.7%
|
| 2 | Fairly badly | 631 |
20.6%
|
| 3 | Fairly well | 270 |
8.8%
|
| 4 | Very well | 152 |
5%
|
| Sysmiss | 482 |