| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 7 |
1.8%
|
| 2 | Poor | 63 |
16.6%
|
| 3 | OK | 220 |
58%
|
| 4 | Good | 81 |
21.4%
|
| 5 | Very good | 8 |
2.1%
|
| Sysmiss | 641 |