| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 26 |
2.8%
|
| 2 | Poor | 111 |
11.9%
|
| 3 | OK | 425 |
45.6%
|
| 4 | Good | 328 |
35.2%
|
| 5 | Very good | 42 |
4.5%
|
| Sysmiss | 88 |