| Value | Category | Cases | |
|---|---|---|---|
| -99 | 4976 |
91.6%
|
|
| 0 | none | 1 |
0%
|
| 1 | primary 4 years | 34 |
0.6%
|
| 2 | primary 8 years | 331 |
6.1%
|
| 3 | secondary general | 75 |
1.4%
|
| 4 | vocational 2 years | 3 |
0.1%
|
| 5 | vocational 4/5 years | 6 |
0.1%
|
| 6 | university | 7 |
0.1%
|
| 7 | post-graduate | 0 |
0%
|
| Sysmiss | 2677 |