| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 12 |
1.8%
|
| 2 | Poor | 33 |
5%
|
| 3 | OK | 168 |
25.4%
|
| 4 | Good | 355 |
53.7%
|
| 5 | Very good | 93 |
14.1%
|
| Sysmiss | 359 |