| Value |
Category |
| 1 |
gd 1 - 2 |
| 2 |
gd 3 - 5 |
| 3 |
gd 6 |
| 4 |
gd 7 - 8 |
| 5 |
gd 9 |
| 6 |
gd 10 - 11 |
| 7 |
gd 12 |
| 8 |
first degree |
| 9 |
higher degree |
| 66 |
nursery |
| 99 |
other (specify) |
| 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.