| Value |
Category |
| 00 |
NIU (not in universe) |
| 10 |
None or preschool |
| 11 |
None |
| 12 |
Pre-school |
| 20 |
Grades 1 to 4 |
| 21 |
Primary, grade 1 |
| 22 |
Primary, grade 2 |
| 23 |
Primary, grade 3 |
| 24 |
Primary, grade 4 |
| 30 |
Grades 5 to 7 |
| 31 |
Primary, grade 5 |
| 32 |
Primary, grade 6 |
| 33 |
Primary, grade 7 |
| 40 |
High school |
| 41 |
Secondary, grade 1 |
| 42 |
Secondary, grade 2 |
| 43 |
Secondary, grade 3 |
| 44 |
Secondary, grade 4 |
| 50 |
Training or associate degree |
| 51 |
Training or associate degree, 1 year |
| 52 |
Training or associate degree, 2 years |
| 53 |
Training or associate degree completed |
| 60 |
Undergraduate education |
| 61 |
University undergraduate, 1 year |
| 62 |
University undergraduate, 2 years |
| 63 |
University undergraduate, 3 years |
| 64 |
University undergraduate, 4 years |
| 65 |
University undergraduate, 5 years |
| 66 |
University undergraduate, 6+ years |
| 67 |
University undergraduate, years unknown |
| 69 |
University graduate |
| 70 |
Post-graduate |
| 99 |
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.