| Value |
Category |
| 101 |
First year of Primary |
| 102 |
One year of basic |
| 103 |
One year of secondary |
| 104 |
One year of middle |
| 105 |
One year of commercial |
| 106 |
One year of industrial |
| 107 |
One year of agricultural |
| 108 |
One year of feminine technical |
| 109 |
One year of teacher training |
| 110 |
One year of university |
| 201 |
Two years of primary |
| 202 |
Two years of basic |
| 203 |
Two years of secundary |
| 204 |
Two years of middle |
| 205 |
Two years of commercial |
| 206 |
Two years of industrial |
| 207 |
Two years of agricultural |
| 208 |
Two years of feminine technical |
| 209 |
Two years of teacher training |
| 210 |
Two years of university |
| 301 |
Three years of primary |
| 302 |
Three years of basic |
| 303 |
Three years of secondary |
| 304 |
Three years of middle |
| 305 |
Three years of commercial |
| 306 |
Three years of industrial |
| 307 |
Three years of agricultural |
| 308 |
Three years of feminine technical |
| 309 |
Three years of teacher training |
| 310 |
Three years of university |
| 401 |
Four years of primary |
| 402 |
Four years of basic |
| 403 |
Four years of secondary |
| 404 |
Four years of middle |
| 405 |
Four years of commercial |
| 406 |
Four years of industrial |
| 407 |
Four years of agricultural |
| 408 |
Four years of feminine technical |
| 409 |
Four years of teacher training |
| 410 |
Four years of university |
| 501 |
Five years of primary |
| 502 |
Five years of basic |
| 503 |
Five years of secondary |
| 505 |
Five years of commercial |
| 506 |
Five years of industrial |
| 507 |
Five years of agricultural |
| 508 |
Five years of feminine technical |
| 509 |
Five years of teacher training |
| 510 |
Five years of university |
| 601 |
Six years of primary |
| 602 |
Six years of basic |
| 603 |
Six years of secondary |
| 605 |
Six years of commercial |
| 606 |
Six years of industrial |
| 607 |
Six years of agricultural |
| 608 |
Six years of feminine technical |
| 609 |
Six years of teacher training |
| 610 |
Six years of university |
| 702 |
Seven years of basic |
| 710 |
Seven years of university |
| 802 |
Eight years of basic |
| 810 |
Eight years of university |
| 901 |
Primary (year unknown) |
| 902 |
Basic (year unknown) |
| 903 |
Secondary (year unknown) |
| 904 |
Middle (year unknown) |
| 905 |
Commercial (year unknown) |
| 906 |
Industrial (year unknown) |
| 907 |
Agricultural (year unknown) |
| 908 |
Feminine technical (year unknown) |
| 909 |
Teacher training (year unknown) |
| 910 |
University (year unknown) |
| 911 |
Attending school (year unknown) |
| 998 |
Unknown |
| 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.