| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 14 |
3.7%
|
| 2 | Poor | 50 |
13.2%
|
| 3 | OK | 202 |
53.3%
|
| 4 | Good | 98 |
25.9%
|
| 5 | Very good | 15 |
4%
|
| Sysmiss | 641 |