| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 39 |
4.9%
|
| 2 | Poor | 68 |
8.5%
|
| 3 | Neither poor, nor good | 206 |
25.8%
|
| 4 | Good | 393 |
49.2%
|
| 5 | Very good | 92 |
11.5%
|
| Sysmiss | 23 |