| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 8 |
2.2%
|
| 2 | Poor | 61 |
17.1%
|
| 3 | OK | 183 |
51.4%
|
| 4 | Good | 94 |
26.4%
|
| 5 | Very good | 10 |
2.8%
|
| Sysmiss | 664 |