| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 18 |
2.7%
|
| 2 | Poor | 74 |
11.2%
|
| 3 | OK | 339 |
51.3%
|
| 4 | Good | 215 |
32.5%
|
| 5 | Very good | 15 |
2.3%
|
| Sysmiss | 359 |