| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 6 |
1.6%
|
| 2 | Poor | 53 |
14%
|
| 3 | OK | 205 |
54.1%
|
| 4 | Good | 103 |
27.2%
|
| 5 | Very good | 12 |
3.2%
|
| Sysmiss | 641 |