| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 5 |
1.6%
|
| 2 | Poor | 14 |
4.4%
|
| 3 | OK | 58 |
18.1%
|
| 4 | Good | 184 |
57.3%
|
| 5 | Very good | 60 |
18.7%
|
| Sysmiss | 699 |