| Value |
Category |
| 000 |
Never attended, zero years |
| 010 |
Kindergarten, zero years |
| 021 |
Primary, 1 year |
| 022 |
Primary, 2 years |
| 023 |
Primary, 3 years |
| 024 |
Primary, 4 years |
| 025 |
Primary, 5 years |
| 026 |
Primary, 6 years |
| 027 |
Primary, 7 years |
| 028 |
Primary, 8 years |
| 031 |
Highschool, 1 year |
| 032 |
Highschool, 2 years |
| 033 |
Highschool, 3 years |
| 034 |
Highschool, 4 years |
| 041 |
Humanities, 1 year |
| 042 |
Humanities, 2 years |
| 043 |
Humanities, 3 years |
| 044 |
Humanities, 4 years |
| 045 |
Humanities, 5 years |
| 046 |
Humanities, 6 years |
| 051 |
Highschool (technical): commercial, 1 year |
| 052 |
Highschool (technical): commercial, 2 years |
| 053 |
Highschool (technical): commercial, 3 years |
| 054 |
Highschool (technical): commercial, 4 years |
| 055 |
Highschool (technical): commercial, 5 years |
| 061 |
Highschool (technical): industrial, 1 year |
| 062 |
Highschool (technical): industrial, 2 years |
| 063 |
Highschool (technical): industrial, 3 years |
| 064 |
Highschool (technical): industrial, 4 years |
| 065 |
Highschool (technical): industrial, 5 years |
| 071 |
Highschool (technical): agricultural, 1 year |
| 072 |
Highschool (technical): agricultural, 2 years |
| 073 |
Highschool (technical): agricultural, 3 years |
| 074 |
Highschool (technical): agricultural, 4 years |
| 075 |
Highschool (technical): agricultural, 5 years |
| 081 |
Highschool (technical): navy, 1 year |
| 082 |
Highschool (technical): navy, 2 years |
| 083 |
Highschool (technical): navy, 3 years |
| 084 |
Highschool (technical): navy, 4 years |
| 085 |
Highschool (technical): navy, 5 years |
| 091 |
Minning, 1 year |
| 092 |
Minning, 2 years |
| 093 |
Minning, 3 years |
| 094 |
Minning, 4 years |
| 095 |
Minning, 5 years |
| 101 |
Technical feminine, 1 year |
| 102 |
Technical feminine, 2 years |
| 103 |
Technical feminine, 3 years |
| 104 |
Technical feminine, 4 years |
| 105 |
Technical feminine, 5 years |
| 111 |
Teaching school, 1 year |
| 112 |
Teaching school, 2 years |
| 113 |
Teaching school, 3 years |
| 114 |
Teaching school, 4 years |
| 115 |
Teaching school, 5 years |
| 116 |
Teaching school, 6 years |
| 117 |
Teaching school, 7 years |
| 121 |
Centers of techincal education, 1 year |
| 122 |
Centers of techincal education, 2 years |
| 123 |
Centers of techincal education, 3 years |
| 124 |
Centers of techincal education, 4 years |
| 131 |
Professional Institute, 1 year |
| 132 |
Professional Institute, 2 years |
| 133 |
Professional Institute, 3 years |
| 134 |
Professional Institute, 4 years |
| 135 |
Professional Institute, 5 years |
| 141 |
College, 1 year |
| 142 |
College, 2 years |
| 143 |
College, 3 years |
| 144 |
College, 4 years |
| 145 |
College, 5 years |
| 146 |
College, 6 years |
| 147 |
College, 7 years |
| 148 |
College, 8 years |
| 999 |
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.