| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 8 |
3.3%
|
| 2 | Poor | 24 |
9.8%
|
| 3 | OK | 123 |
50.2%
|
| 4 | Good | 82 |
33.5%
|
| 5 | Very good | 8 |
3.3%
|
| Sysmiss | 775 |