| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 11 |
3.4%
|
| 2 | Poor | 28 |
8.7%
|
| 3 | OK | 137 |
42.7%
|
| 4 | Good | 120 |
37.4%
|
| 5 | Very good | 25 |
7.8%
|
| Sysmiss | 699 |