| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 6 |
2.1%
|
| 2 | Poor | 41 |
14.2%
|
| 3 | OK | 151 |
52.4%
|
| 4 | Good | 85 |
29.5%
|
| 5 | Very good | 5 |
1.7%
|
| Sysmiss | 732 |