| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 6 |
2.3%
|
| 2 | Poor | 26 |
9.8%
|
| 3 | OK | 118 |
44.7%
|
| 4 | Good | 97 |
36.7%
|
| 5 | Very good | 17 |
6.4%
|
| Sysmiss | 756 |