| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 5 |
2.9%
|
| 2 | Poor | 28 |
16.5%
|
| 3 | OK | 82 |
48.2%
|
| 4 | Good | 52 |
30.6%
|
| 5 | Very good | 3 |
1.8%
|
| Sysmiss | 850 |