| Value |
Category |
| 01 |
No grade passed |
| 02 |
Pre-school |
| 03 |
Special education |
| 11 |
Primary, 1 year |
| 12 |
Primary, 2 years |
| 13 |
Primary, 3 years |
| 14 |
Primary, 4 years |
| 15 |
Primary, 5 years |
| 16 |
Primary, 6 years |
| 19 |
Primary school, undeclared |
| 21 |
Vocational school, 1 year |
| 22 |
Vocational school, 2 years |
| 23 |
Vocational school, 3 years |
| 29 |
Vocational school, undeclared |
| 31 |
Secondary school, 1 year |
| 32 |
Secondary school, 2 years |
| 33 |
Secondary school, 3 years |
| 34 |
Secondary school, 4 years |
| 35 |
Secondary school, 5 years |
| 36 |
Secondary school, 6 years |
| 39 |
Secondary school, undeclared |
| 41 |
Non-university higher education, 1 year |
| 42 |
Non-university higher education, 2 years |
| 43 |
Non-university higher education, 3 years |
| 49 |
Non-university higher education, undeclared |
| 51 |
University, 1 year |
| 52 |
University, 2 years |
| 53 |
University, 3 years |
| 54 |
University, 4 years |
| 55 |
University, 5 years |
| 56 |
University, 6 years |
| 59 |
University, undeclared |
| 61 |
Graduate diploma (especialidad) |
| 71 |
Master's degree, 1 year |
| 72 |
Master's degree, 2 years |
| 79 |
Master's degree, undeclared |
| 81 |
Doctorate, 1 or 2 years |
| 83 |
Doctorate, 3 years |
| 84 |
Doctorate, 4 years |
| 89 |
Doctorate, undeclared |
| 98 |
Unknown |
| 99 |
NIU (not in universe) |
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.