| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 13 |
5.2%
|
| 2 | Poor | 41 |
16.3%
|
| 3 | OK | 127 |
50.4%
|
| 4 | Good | 58 |
23%
|
| 5 | Very good | 13 |
5.2%
|
| Sysmiss | 768 |