| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 1 |
0.6%
|
| 2 | Poor | 16 |
9.4%
|
| 3 | OK | 46 |
27.1%
|
| 4 | Good | 97 |
57.1%
|
| 5 | Very good | 10 |
5.9%
|
| Sysmiss | 850 |