| Value |
Category |
| 011 |
No level |
| 111 |
Preschool |
| 201 |
Primary, 1st year |
| 202 |
Primary, 2nd year |
| 203 |
Primary, 3rd year |
| 204 |
Primary, 4th year |
| 205 |
Primary, 5th year |
| 206 |
Primary, 6th year |
| 301 |
Secondary, 1st year |
| 302 |
Secondary, 2nd year |
| 303 |
Secondary, 3rd year |
| 304 |
Secondary, 4th year |
| 305 |
Secondary, 5th year |
| 306 |
Secondary, 6th year |
| 401 |
Regular basic, 1st year |
| 402 |
Regular basic, 2nd year |
| 403 |
Regular basic, 3rd year |
| 404 |
Regular basic, 4th year |
| 405 |
Regular basic, 5th year |
| 406 |
Regular basic, 6th year |
| 407 |
Regular basic, 7th year |
| 408 |
Regular basic, 8th year |
| 409 |
Regular basic, 9th year |
| 501 |
Trade school basic, 1st year |
| 502 |
Trade school basic, 2nd year |
| 503 |
Trade school basic, 3rd year |
| 504 |
Trade school basic, 4th year |
| 505 |
Trade school basic, 5th year |
| 506 |
Trade school basic, 6th year |
| 507 |
Trade school basic, 7th year |
| 508 |
Trade school basic, 8th or 9th year |
| 611 |
Superior (non-university) incomplete |
| 711 |
Superior (non-university) complete |
| 811 |
Superior (university) incomplete |
| 911 |
Superior (university) complete |
| 998 |
Unknown |
| 999 |
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.