| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 10 |
6.1%
|
| 2 | Poor | 27 |
16.6%
|
| 3 | OK | 76 |
46.6%
|
| 4 | Good | 41 |
25.2%
|
| 5 | Very good | 9 |
5.5%
|
| Sysmiss | 857 |