| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 5 |
1.3%
|
| 2 | Poor | 26 |
6.9%
|
| 3 | OK | 142 |
37.5%
|
| 4 | Good | 175 |
46.2%
|
| 5 | Very good | 31 |
8.2%
|
| Sysmiss | 641 |