| Value |
Category |
| 00 |
None |
| 01 |
Primary grade 1 |
| 02 |
Primary grade 2 |
| 03 |
Primary grade 3 |
| 04 |
Primary grade 4 |
| 05 |
Primary grade 5 |
| 06 |
Primary grade 6 |
| 07 |
Middle or high school grade 7 or Form 1 |
| 08 |
Middle or high school grade 8 or Form 2 |
| 09 |
Middle or high school grade 9 or Form 3 |
| 10 |
Middle or high school grade 10 or Form 4 |
| 11 |
Secondary grade 11 or Form 5 |
| 12 |
Secondary grade 12 or Form 6 |
| 30 |
Technical training 1 year |
| 31 |
Technical training 2 year |
| 32 |
Technical training 3 year |
| 40 |
Certificates or diploma 1 year |
| 41 |
Certificates or diploma 2 year |
| 42 |
Certificates or diploma 3-4 year |
| 50 |
University degree 1 year |
| 51 |
University degree 2 year |
| 52 |
University degree 3-4 year |
| 60 |
Graduate degree 1-2 year |
| 62 |
Graduate degree 3-4 year |
| 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.