| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 2 |
0.8%
|
| 2 | Poor | 16 |
6.3%
|
| 3 | OK | 85 |
33.7%
|
| 4 | Good | 128 |
50.8%
|
| 5 | Very good | 21 |
8.3%
|
| Sysmiss | 768 |