| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 5 |
1.7%
|
| 2 | Poor | 19 |
6.6%
|
| 3 | OK | 102 |
35.4%
|
| 4 | Good | 137 |
47.6%
|
| 5 | Very good | 25 |
8.7%
|
| Sysmiss | 732 |