| Value | Category | Cases | |
|---|---|---|---|
| 1 | Primary or none | 3769 |
71.1%
|
| 2 | Secondary | 1094 |
20.6%
|
| 3 | Higher | 3 |
0.1%
|
| 9 | DK / Missing | 117 |
2.2%
|
| Sysmiss | 318 |
6%
|