| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 4 |
2.4%
|
| 2 | Poor | 24 |
14.1%
|
| 3 | OK | 89 |
52.4%
|
| 4 | Good | 52 |
30.6%
|
| 5 | Very good | 1 |
0.6%
|
| Sysmiss | 850 |