| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 11 |
1.7%
|
| 2 | Poor | 98 |
14.8%
|
| 3 | OK | 346 |
52.3%
|
| 4 | Good | 193 |
29.2%
|
| 5 | Very good | 13 |
2%
|
| Sysmiss | 359 |