| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 35 |
3.8%
|
| 2 | Poor | 115 |
12.3%
|
| 3 | OK | 411 |
44.1%
|
| 4 | Good | 296 |
31.7%
|
| 5 | Very good | 76 |
8.1%
|
| Sysmiss | 87 |