| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. does not exist | 1627 |
36.2%
|
| 1 | 1. poor | 669 |
14.9%
|
| 2 | 2. average | 788 |
17.5%
|
| 3 | 3. good | 676 |
15%
|
| 4 | 4. very good | 679 |
15.1%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 59 |
1.3%
|
| Sysmiss | 40 |