| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 12 |
1.8%
|
| 2 | Poor | 75 |
11.3%
|
| 3 | OK | 331 |
50.1%
|
| 4 | Good | 223 |
33.7%
|
| 5 | Very good | 20 |
3%
|
| Sysmiss | 359 |