| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 9 |
5.5%
|
| 2 | Poor | 29 |
17.8%
|
| 3 | OK | 82 |
50.3%
|
| 4 | Good | 40 |
24.5%
|
| 5 | Very good | 3 |
1.8%
|
| Sysmiss | 857 |