| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Elem. | 19 |
6.1%
|
| 2 | 2. Jr High | 26 |
8.3%
|
| 3 | 3. Sr High | 102 |
32.7%
|
| 4 | 4. Coll/Uni | 165 |
52.9%
|
| Sysmiss | 19598 |