| Value |
Category |
| 0 |
never attended school |
| 1 |
primary school |
| 2 |
secondary school |
| 3 |
technical school |
| 4 |
university |
| 9 |
unknown |
| Sysmiss |
|
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.