| Value |
Category |
| 0 |
None |
| 1 |
Kindergarten |
| 2 |
Primary |
| 3 |
Middle school |
| 4 |
High school |
| 5 |
Higher |
| 7 |
Missing |
| 9 |
Don't know |
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.