| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 7 |
6.7%
|
| 2 | Poor | 17 |
16.3%
|
| 3 | OK | 43 |
41.3%
|
| 4 | Good | 33 |
31.7%
|
| 5 | Very good | 4 |
3.8%
|
| Sysmiss | 916 |