| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 21 |
5%
|
| 2 | Poor | 59 |
13.9%
|
| 3 | OK | 199 |
47%
|
| 4 | Good | 118 |
27.9%
|
| 5 | Very good | 26 |
6.1%
|
| Sysmiss | 597 |