| Value |
Category |
| 000 |
NIU (not in universe) |
| 011 |
Primary Level 1 |
| 012 |
Primary Level 2 |
| 013 |
Primary Level 3 |
| 014 |
Primary Level 4 |
| 015 |
Primary Level 5 |
| 016 |
Primary Level 6 |
| 021 |
Intermediate or preparatory Level 1 |
| 022 |
Intermediate or preparatory Level 2 |
| 023 |
Intermediate or preparatory Level 3 |
| 024 |
Intermediate or preparatory Level 4 |
| 025 |
Intermediate or preparatory Level 5 |
| 026 |
Intermediate or preparatory Level 6 |
| 031 |
Vocational schools Level 1 |
| 032 |
Vocational schools Level 2 |
| 033 |
Vocational schools Level 3 |
| 034 |
Vocational schools Level 4 |
| 035 |
Vocational schools Level 5 |
| 036 |
Vocational schools Level 6 |
| 041 |
Institutes Level 1 |
| 042 |
Institutes Level 2 |
| 043 |
Institutes Level 3 |
| 044 |
Institutes Level 4 |
| 045 |
Institutes Level 5 and 6 |
| 051 |
College or university Level 1 |
| 052 |
College or university Level 2 |
| 053 |
College or university Level 3 |
| 054 |
College or university Level 4 |
| 055 |
College or university Level 5 |
| 056 |
College or university Level 6 |
| 060 |
High diploma |
| 070 |
Master degree |
| 080 |
Ph D |
| 090 |
Highest professional degree |
| 100 |
Others |
| 999 |
Unknown |
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.