Value |
Category |
0 |
Before Grade E1 |
1 |
Grade E1 |
2 |
Grade E2 |
3 |
Grade 3 |
4 |
Grade 4 |
9 |
Not Important |
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.