| Value | Category | 
|---|---|
| 0 | No answer | 
| 1 | higher education | 
| 2 | post-secondary education | 
| 3 | secondary vocational education | 
| 4 | secondary general education | 
| 5 | basic vocational education | 
| 6 | junior high school | 
| 7 | primary education | 
| 8 | no education | 
| 9 | not applicable (person from 0 -12 years) |