| Value |
Category |
| 00 |
NIU (not in universe) |
| 10 |
No schooling |
| 21 |
Primary, grade 1 |
| 22 |
Primary, grade 2 |
| 23 |
Primary, grade 3 |
| 24 |
Primary, grade 4 |
| 25 |
Primary, grade 5 |
| 31 |
Middle, grade 6 |
| 32 |
Middle, grade 7 |
| 33 |
Middle, grade 8 |
| 34 |
Middle, grade 9 |
| 41 |
High, grade 10 |
| 42 |
High, grade 11 |
| 51 |
College, attending |
| 52 |
Vocational training, completed |
| 53 |
Undergraduate diploma |
| 54 |
Bachelor degree, graduate |
| 55 |
Postgraduate diploma |
| 56 |
Master degree |
| 57 |
Doctoral degree |
| 60 |
Other |
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.