| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 12 |
4.5%
|
| 2 | Poor | 18 |
6.8%
|
| 3 | OK | 122 |
46.2%
|
| 4 | Good | 91 |
34.5%
|
| 5 | Very good | 21 |
8%
|
| Sysmiss | 756 |