| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 2 |
0.8%
|
| 2 | Poor | 20 |
8.2%
|
| 3 | OK | 107 |
43.7%
|
| 4 | Good | 108 |
44.1%
|
| 5 | Very good | 8 |
3.3%
|
| Sysmiss | 775 |