| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 2 |
0.6%
|
| 2 | Poor | 26 |
7.3%
|
| 3 | OK | 108 |
30.3%
|
| 4 | Good | 182 |
51.1%
|
| 5 | Very good | 38 |
10.7%
|
| Sysmiss | 664 |