| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 1 |
0.8%
|
| 2 | Poor | 8 |
6.1%
|
| 3 | OK | 35 |
26.5%
|
| 4 | Good | 70 |
53%
|
| 5 | Very good | 18 |
13.6%
|
| Sysmiss | 888 |