| Value |
Category |
| 0 |
Pre-primary or none |
| 1 |
Primary |
| 2 |
Basic (lower secondary) |
| 3 |
Upper secondary |
| 4 |
Vocational |
| 5 |
College, university |
| 9 |
Missing/DK |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.