| Value |
Category |
| 00 |
NIU (not in universe) |
| 11 |
Primary school, 1 year |
| 12 |
Primary school, 2 years |
| 13 |
Primary school, 3 years |
| 14 |
Primary school, 4 years |
| 15 |
Primary school, 5 years |
| 16 |
Primary school, 6 years |
| 18 |
Primary school, completed |
| 21 |
General junior high school, 1 year |
| 22 |
General junior high school, 2 years |
| 23 |
General junior high school, 3 years |
| 28 |
General junior high school, completed |
| 31 |
General senior high school, 1 year |
| 32 |
General senior high school, 2 years |
| 33 |
General senior high school, 3 years |
| 38 |
General senior high school, completed |
| 39 |
General senior high school, grade unknown |
| 41 |
Vocational junior high school, 1 year |
| 42 |
Vocational junior high school, 2 years |
| 43 |
Vocational junior high school, 3 years |
| 44 |
Vocational junior high school, 4 years |
| 48 |
Vocational junior high school, completed |
| 51 |
Vocational senior high school, 1 year |
| 52 |
Vocational senior high school, 2 years |
| 53 |
Vocational senior high school, 3 years |
| 58 |
Vocational senior high school, completed |
| 61 |
Diploma I/II, 1 year |
| 62 |
Diploma I/II, 2 years |
| 68 |
Diploma I/II, completed |
| 71 |
Academy/diploma III, 1 year |
| 72 |
Academy/diploma III, 2 years |
| 73 |
Academy/diploma III, 3 years |
| 74 |
Academy/diploma III, 4 years |
| 78 |
Academy/diploma III, completed |
| 81 |
University/diploma IV, 1 year |
| 82 |
University/diploma IV, 2 years |
| 83 |
University/diploma IV, 3 years |
| 84 |
University/diploma IV, 4 years |
| 85 |
University/diploma IV, 5 years |
| 86 |
Masters program |
| 87 |
Doctoral program |
| 88 |
University/diploma IV, completed |
| 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.