| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 5 |
4.8%
|
| 2 | Poor | 16 |
15.4%
|
| 3 | OK | 50 |
48.1%
|
| 4 | Good | 29 |
27.9%
|
| 5 | Very good | 4 |
3.8%
|
| Sysmiss | 916 |