| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 18 |
2.6%
|
| 2 | Poor | 60 |
8.7%
|
| 3 | OK | 287 |
41.7%
|
| 4 | Good | 274 |
39.8%
|
| 5 | Very good | 50 |
7.3%
|
| Sysmiss | 331 |