| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 9 |
6.8%
|
| 2 | Poor | 8 |
6.1%
|
| 3 | OK | 64 |
48.5%
|
| 4 | Good | 38 |
28.8%
|
| 5 | Very good | 13 |
9.8%
|
| Sysmiss | 888 |