| Value | Category | Cases | |
|---|---|---|---|
| 0 | no education | 3 |
7.5%
|
| 1 | primary | 11 |
27.5%
|
| 2 | secondary | 23 |
57.5%
|
| 3 | higher | 3 |
7.5%
|
| 8 | don't know | 0 |
0%
|
| 11 | .Z | 15627 |