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.
Description
Source of information
2a. how many years of schooling did this person complete before coming to the u.
Imputation and derivation
Imputation
2a. how many years of schooling did this person complete before coming to the u.
Others
Security
2a. how many years of schooling did this person complete before coming to the u.