| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 5 |
1.6%
|
| 2 | Poor | 19 |
5.9%
|
| 3 | OK | 134 |
41.7%
|
| 4 | Good | 141 |
43.9%
|
| 5 | Very good | 22 |
6.9%
|
| Sysmiss | 699 |