| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 19 |
2%
|
| 2 | Poor | 108 |
11.6%
|
| 3 | OK | 488 |
52.4%
|
| 4 | Good | 289 |
31%
|
| 5 | Very good | 28 |
3%
|
| Sysmiss | 88 |