| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 25 |
3.1%
|
| 2 | Poor | 76 |
9.5%
|
| 3 | Neither poor, nor good | 175 |
21.9%
|
| 4 | Good | 440 |
55.1%
|
| 5 | Very good | 82 |
10.3%
|
| Sysmiss | 23 |