| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 4 |
2.5%
|
| 2 | Poor | 11 |
6.7%
|
| 3 | OK | 69 |
42.3%
|
| 4 | Good | 60 |
36.8%
|
| 5 | Very good | 19 |
11.7%
|
| Sysmiss | 857 |