| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 6 |
2.4%
|
| 2 | Poor | 40 |
15.9%
|
| 3 | OK | 134 |
53.2%
|
| 4 | Good | 67 |
26.6%
|
| 5 | Very good | 5 |
2%
|
| Sysmiss | 768 |