| Value |
Category |
| 00 |
Preschool |
| 10 |
Primary, grade unspecified |
| 11 |
Primary, grade 1 |
| 12 |
Primary, grade 2 |
| 13 |
Primary, grade 3 |
| 14 |
Primary, grade 4 |
| 15 |
Primary, grade 5 |
| 16 |
Primary, grade 6 |
| 17 |
Primary, grade 7 |
| 18 |
Primary, grade 8 |
| 20 |
Secondary, grade unspecified |
| 21 |
Secondary, grade 1 |
| 22 |
Secondary, grade 2 |
| 23 |
Secondary, grade 3 |
| 24 |
Secondary, grade 4 |
| 25 |
Secondary, grade 5 |
| 26 |
Secondary, grade 6 |
| 27 |
Secondary, grade 7 |
| 28 |
Secondary, grade 8 |
| 30 |
University, level unspecified |
| 31 |
University, level 1 |
| 32 |
University, level 2 |
| 33 |
University, level 3 |
| 34 |
University, level 4 |
| 35 |
University, level 5 |
| 36 |
University, level 6 |
| 37 |
University, level 7 |
| 38 |
University, level 8 |
| 40 |
Other education level, year unspecified |
| 41 |
Other education level, year 1 |
| 42 |
Other education level, year 2 |
| 43 |
Other education level, year 3 |
| 44 |
Other education level, year 4 |
| 45 |
Other education level, year 5 |
| 46 |
Other education level, year 6 |
| 47 |
Other education level, year 7 |
| 48 |
Other education level, year 8 |
| 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.