| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 3 |
0.9%
|
| 2 | Poor | 24 |
7.5%
|
| 3 | OK | 133 |
41.4%
|
| 4 | Good | 138 |
43%
|
| 5 | Very good | 23 |
7.2%
|
| Sysmiss | 699 |