| Value |
Category |
| 00 |
None |
| 11 |
Literate, 1st year |
| 12 |
Literate, 2nd year |
| 13 |
Literate, 3rd year |
| 21 |
Pre-school, 1st year |
| 22 |
Pre-school, 2nd year |
| 23 |
Pre-school, 3rd year |
| 31 |
Primary, 1st year |
| 32 |
Primary, 2nd year |
| 33 |
Primary, 3rd year |
| 34 |
Primary, 4th year |
| 35 |
Primary, 5th year |
| 36 |
Primary, 6th year |
| 41 |
Secondary, 1st year |
| 42 |
Secondary, 2nd year |
| 43 |
Secondary, 3rd year |
| 44 |
Secondary, 4th year |
| 45 |
Secondary, 5th year |
| 51 |
Basic technical, 1st year |
| 52 |
Basic technical, 2nd year |
| 61 |
Mid-level technical, 1st year |
| 62 |
Mid-level technical, 2nd year |
| 63 |
Mid-level technical, 3rd year |
| 71 |
Advanced technical, 1st year |
| 72 |
Advanced technical, 2nd year |
| 73 |
Advanced technical, 3rd year |
| 74 |
Advanced technical, 4th year |
| 81 |
University, 1st year |
| 82 |
University, 2nd year |
| 83 |
University, 3rd year |
| 84 |
University, 4th year |
| 85 |
University, 5th year |
| 86 |
University, 6th year |
| 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.