| Value |
Category |
| 00 |
Illiterate or semi-literate |
| 10 |
Primary school |
| 11 |
Primary, attending |
| 12 |
Primary, did not graduate |
| 13 |
Primary, completed |
| 19 |
Primary, unknown |
| 20 |
Junior middle school |
| 21 |
Junior middle, attending |
| 22 |
Junior middle, did not graduate |
| 23 |
Junior middle, completed |
| 24 |
Junior middle school, others |
| 29 |
Junior middle, unknown |
| 30 |
Secondary school |
| 31 |
Academic secondary, attending |
| 32 |
Academic secondary, did not graduate |
| 33 |
Academic secondary, completed |
| 34 |
Academic secondary, unknown |
| 35 |
Technical secondary, attending |
| 36 |
Technical secondary, did not graduate |
| 37 |
Technical secondary, completed |
| 38 |
Technical/special training others |
| 39 |
Technical secondary, unknown |
| 40 |
Some college/university (associate, bachelor, master, PhD) |
| 41 |
Attending two-year college |
| 42 |
Did not complete two-year college |
| 43 |
Attending college/university |
| 44 |
Did not complete college/university |
| 50 |
Graduated from college/university |
| 51 |
Completed two-year degree |
| 52 |
Completed degree (bachelor, master, PhD) |
| 58 |
College/diploma, others |
| 60 |
Unknown level of college/university study |
| 61 |
Unknown, two-year college |
| 62 |
Unknown, college/university |
| 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.