| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 43 |
5.4%
|
| 2 | Poor | 75 |
9.4%
|
| 3 | Neither poor, nor good | 209 |
26.2%
|
| 4 | Good | 398 |
49.9%
|
| 5 | Very good | 73 |
9.1%
|
| Sysmiss | 23 |