| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 2 |
1.5%
|
| 2 | Poor | 9 |
6.8%
|
| 3 | OK | 68 |
51.5%
|
| 4 | Good | 46 |
34.8%
|
| 5 | Very good | 7 |
5.3%
|
| Sysmiss | 888 |