| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 13 |
1.9%
|
| 2 | Poor | 21 |
3%
|
| 3 | OK | 109 |
15.8%
|
| 4 | Good | 417 |
60.5%
|
| 5 | Very good | 129 |
18.7%
|
| Sysmiss | 331 |