| Value |
Category |
| 000 |
No education |
| 100 |
Lower level and less (1960 includes "unknown") |
| 110 |
Primary school and less |
| 111 |
Pre-primary |
| 112 |
Primary |
| 120 |
Lower level |
| 200 |
Upper lower level (secondary) |
| 300 |
Intermediate level or higher |
| 310 |
Intermediate level |
| 311 |
Upper secondary |
| 312 |
Post-secondary (non-university) |
| 320 |
Tertiary (university) |
| 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.