| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 19 |
2%
|
| 2 | Poor | 106 |
11.4%
|
| 3 | OK | 485 |
52%
|
| 4 | Good | 298 |
31.9%
|
| 5 | Very good | 25 |
2.7%
|
| Sysmiss | 87 |