| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 11 |
3.8%
|
| 2 | Poor | 51 |
17.7%
|
| 3 | OK | 145 |
50.3%
|
| 4 | Good | 67 |
23.3%
|
| 5 | Very good | 14 |
4.9%
|
| Sysmiss | 732 |