| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 6 |
1.4%
|
| 2 | Poor | 36 |
8.5%
|
| 3 | OK | 180 |
42.6%
|
| 4 | Good | 174 |
41.1%
|
| 5 | Very good | 27 |
6.4%
|
| Sysmiss | 597 |