| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 11 |
1.6%
|
| 2 | Poor | 38 |
5.5%
|
| 3 | OK | 252 |
36.6%
|
| 4 | Good | 329 |
47.8%
|
| 5 | Very good | 59 |
8.6%
|
| Sysmiss | 331 |