| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 3 |
0.8%
|
| 2 | Poor | 57 |
16%
|
| 3 | OK | 201 |
56.5%
|
| 4 | Good | 85 |
23.9%
|
| 5 | Very good | 10 |
2.8%
|
| Sysmiss | 664 |